pISSN: 2723 - 6609 e-ISSN: 2745-5254
Vol. 5, No. 4 April 2024 http://jist.publikasiindonesia.id/
Jurnal Indonesia Sosial Teknologi, Vol. 5, No. 4, April 2024 1781
Istihsan and ITS implementation in the Field of Islamic
Economics and finance
Yogi Kurniawan
1*
, Muhajirin
2
Universitas Islam Negeri Syarif Hidayatullah Jakarta, Indonesia
1*
2
*Correspondence
ABSTRACT
Keywords: Istihsan;
Imam Abu Hanifah;
Economic; Shariah
Finance.
The primary purpose of this study is to discover the dialectic
of Imam Abu Haneefah's distinct legal method, namely
istihsan, and its implementation in Islamic economics and
finance. The library research approach is used to conduct
research that is carried out with a review of literature,
previous research, and other sources related to the problem
being studied. The data obtained in this study are primary,
and data presentation and analysis were carried out by
researchers based on normative juridical frameworks. The
results showed that Istihsan was used as an istinbath method
by Imam Abu Haneefa and other scholars because it had a
strong foundation both from the Qur'an, Al-Hadith and the
views of several other scholars. Thus, the existence of an
istihsan can be a postulate of shari'a, although Imam Shafi'i,
in his understanding of istihsan categorically rejects it as a
postulate of shari'a. Then, the differences in istinbath
methods, especially in istihsan, cause many different views
about the understanding of istihsan itself, and this causes
many legal differences that will result from the method. The
implementation of the Istihsan method in the realm of
Islamic economics and finance is commonly found in the
community in the contract of Shirkah Mufawadhah, Buying
and Selling Istishna' and buying and selling credit.
Introduction
The four imams believe of the madhab that the basis of Islamic law comes from the
Qur'an and the Sunnah of Prophet Muhammad (PBUH). These two sources are generally
referred to as the basic principles of Islamic law, given their significance in the law of
Allah SWT. Not only that, there are additional arguments such as "Quyashu" and "Istizan,
Istisla," but it is also essential to realize that these arguments serve as support and are
subject to the Quran and its laws (Hasan, 2018).
The discussion of the postulates of the method of establishing Islamic law in the
study of jurisprudence is divided into two major groups, namely the agreed postulates (al-
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Adillah al-Muttafaq 'Alaiha) and the disputed postulates (al-Adillah al-
(Nurliana, 2017).
Among the scholars, many differences regarding views and laws are not agreed
upon, which is very interesting to discuss. Of the many propositions in establishing
Islamic law that are still disputed (al- (Chadziq, 2019).
The existence of Istihsan as a legal proposition in Istidlal (legal determination) is a
very fierce debate among Uhul scholars; in contrast to other legal postulates that are not
agreed upon for its existence, both Istishab, Mashlahah al-Mursalah, 'Urf, Sadd al-
Dzariah, Madzhab Sahabat and Shar'u Man Qablana. This can be found starting from the
debate among scholars about the definition and its legality as one of the legal propositions
in Islamic Sharia (Haq, Muchtia, & Mukhlis, 2021).
Although the istihsan method is a postulate disputed in the Shari'a, all scholars use
istihsan in its lughawi (etymology) connotation, that is, "doing something good and not
violating the Shari'a". However, in terms of concepts (which generally apply), ulama
ushul fiqh varies in understanding and defines "istihsan" itself.
Among the scholars of the madhhab who use istihsan as the basis of legal istinbath
are Imam Hanafi, Imam Maliki and Imam Hambali. These three imams use istihsan both
theoretically and practically, but Imam Shafi'i uses istihsan only on a practical level, while
on a theoretical level, Imam Shafi'i does not use istihsan; this can be seen when he rejects
the definition of istihsan put forward by followers of the Hanafi school of Imam (Fadillah,
Satriani, Badrus, & Nur, 2021).
Imam Abu Haneefa, the founder of the rationalist madhhab or Ahl Al-Ra'yi, was a
scholar who made Istihsan as a legal proposition that was used as a basis in establishing
law in addition to other sources of law such as the Qur'an, al-Hadith, Ijma', Qiyas and
'Urf. This later became a provision followed by his disciples such as Imam Abu Yusuf
and Imam Hasan Al-Saibani, known as Al-Shahibani (the two main disciples of Abu
Haneefah) and followers after both (Muhajirin, 2022).
Imam Shafi'i was one of the scholars who categorically canceled the Istihsan
postulate. Therefore, he elaborated on it in a separate chapter in his book, al-um, with the
title "Ibthal al-Istihsan" (cancellation of the Istihsan postulate) (Kadenun, 2018). Imam
Shafi'i disagreed with the istihsan approach because he perceived it as making laws based
on personal desires and pursuing his satisfaction exclusively.
Previous research stated that Istihsan conceptually tends to take and practice the
law because it is considered a better law when compared to the applicable practice of the
original law (Chadziq, 2019).
In other studies also mentioned, istihsan is a kind of qiyas, namely winning qiyas
khafy over qiyas jali or changing the law that has been determined in a case or event that
has been determined based on general provisions to special provisions because there is an
interest that allows it.
It was also mentioned in a study that Istihsan is one of the legal istinbath methods
that can be used as blasphemy. In Maliki and Hanafi jurisprudence, the istihsan has a
decisive role because many things have been resolved through the istihsan method and
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established laws. It seems that the law established with Istihsan is more protective and
better able to realize the purpose of the Shari'a. However, Imam Shafi'i has rejected this
method because of his different understanding of Imam Abu Haneefa and Imam Malik.
However, if the understanding of Imam Shafi'I is the same as Imam Abu Haneefa and
Imam Malik, then there is no conflict (Darliana, Sapriadi, & Nur, 2022).
Some studies show cons to the istihsan method (Hasan, 2018). He rejected a method
of an idea derived from istihsan with his argument, saying, "There is no clear definition
of istihsan; this is because they do not accept istihsan as one of the postulates in
establishing sharia law." Moreover, he asserts that "Imam Shafi'i refused to use istihsan
as a method of legal istinbath because he saw it as a legal establishment based on desire
and seeking the good, without reference to nash or out of nash."
Then also, in a study conducted by (Nabilah & Warman, 2021), Imam al-Ghazali,
a scholar from the Shafi'iyah circle, firmly stated that Istihsan is a rejected proposition.
The reason is that Istihsan is an attempt by mujtahid, who conjectures with his intellect,
looking at situations and conditions. For Imam al-Ghazali, this act will undoubtedly
damage the existing legal order. By talazzuz (arbitrarily), one can make one's shari'a
based on the conjecture of one's intellect and feelings alone. Moreover, he concluded in
a study that the basis of Istihsan, if it will be postulated, is not factual. Finally, if a
proposition is used in the transition of law, according to Imam al-Ghazali, it is called
qiyas, not Istihsan (Najihah & Jalil, 2022).
From the description above, some must be understood well, accompanied by
common sense and strong arguments, considering the number of scholars who differ from
each other in determining a legal proposition. So, the thing that must be understood in
this formulation is the extent to which Imam Abu Haneefa and some scholars who agree
with him, such as Imam Maliki and Imam Hambali and his follower scholars, make
Istihsan one of the sunbath methods used, which we also know is a very fierce debate
among helpful scholars about the istinbath method. Then, how is an implementation in
the field of Islamic economics and finance?
Research Methods
To answer the problems in this article, researchers use a library research approach,
which is research carried out by reviewing the literature, previous research, and other
sources related to the problem being studied. Researchers will explore closely related
literature on istihsan and its implementation in Islamic economics and finance.
Then, the data obtained in this study is primary data, which is data taken from a
study using instruments. The data and analysis are presented by researchers based on a
normative juridical framework, which refers to (Yani, n.d.).
Results and Discussion
Biography of Imam Abu Hanifa
Imam Abu Hanifah is the founder of Madzhab Hanafi; his name is Nu'man Ibn
Tsabit Ibn Zauta, and he is further famous with the nickname Abu Hanifah. Baliau was
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born in Kufah in 80 H/699 C.E. and died in 150H/767 C.E. He was a more dominant faqih
in using ra'yu, or more inclined towards his ijtihad.
As a child, Abu Haneefa was fond of reading and memorising the Qur'an, although
he traded in the market with his father (a prominent businessman as a silk seller). Abu
Haneefa lived in two great reigns, namely the rule of the Umayyads and the Abbasids. He
is the generation of Atba' At-Tabi'in. There is an opinion that Abu Haneefa belonged to
the Tabi'in circle. He had met with the companions of Anas bin Malik and narrated a
hadith from him, namely the hadith, which means, "Studying is fardhu for every Muslim."
Imam Abu Haneefa's famous disciples were Imam Abu Yusuf and Muhammad ibn
al-Hasan al-Shaibani. Between these two disciples, he established laws and gave fatwas
based on the procedures passed by Imam Abu Haneefah. Imam Abu Yusuf was the first
to write books based on the Hanafi madhhab and disseminate them to various regions for
study, including Usul Fiqh. Similarly, Muhammad ibn al-Hasan al-Shaibani took much
knowledge from Abu Haneefa and disseminated Abu Haneefah's thoughts through his
works. However, Abu Haneefa himself did not leave behind a work written directly.
Understanding Istinbath Law
The term istinbath law is a well-known term often encountered when someone
studies jurisprudence as a discipline. Istinbath etymologically means "Discover; create."
In terminology, it can be interpreted as determining the law taken by the mujtahid through
ijtihad. The word law etymologically means "Verdict; statutes". In the Indonesian
dictionary, the word Law is defined as "A rule; norm; provisions." Like the phrase
"istanbatha al-biker" means "he releases his water," or "istanbatha al-Shaik" means
"explains something clear after it is hidden." While in terminology, what is meant by law
here is "Rules and regulations relating to life-based on Islamic Shari'a". According to
Atabik Ali and A. Zuhdi Muhdlor, in the contemporary Indonesian Arabic dictionary,
what istinbath is the excavation or legal expulsion from the source. From the above
definition, it can be understood that Steinbach's essence is an effort to give birth to legal
provisions from their sources, both contained in the Qur'an and Sunnah.
There are two ways to implement legal Steinbach, namely:
, the way of legal istinbath based on the "message" contained in the Nash.
This method belongs to the legal istinbath based on Nash.
, the way of legal istinbath based on the "impression" contained in the
nash, such a way belongs to the legal istinbath outside the nash.
However, there is a difference between the two. Namely, ijtihad has a broader scope
than sunbath. Ijtihad covers the activities of istinbath law and that (application) of law.
At the same time, Steinbach does not reach ijtihad activities related to that (application)
of law. Thus, the sunbath is part of ijtihad activities.
Therefore, we can understand together that legal Islam means the process of legal
discovery carried out by jihadists through ijtihad. Technically, the author uses the term
"istinbath method," which means a form of effort to find a way for scholars to carry out
the ijtihad process to draw conclusions based on legal conclusions. In Islamic law, the
fundamental difference regarding due process is the origin of law and lawsuits. In this
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case, the source refers to the main foundation of a primitive nature, which gave birth to
the law itselffor example, the Qur'an and Sunnah. At the same time, the legal
proposition, in this case, means the ways taken through ijtihad to find Islamic law, such
as taking it using istihsan, istishab, qiyas, and so on.
Imam Abu Hanifa
The acts of ijtihad used by Imam Abu Haneefa include the Quran, Sunnah, fatwas
known as Ijma'ash-Shahabi, which are the consensus of trusted companions, and careful
selection of legal cases with various fatwas provided by the companions. Imam Abu
Haneefa (Imam Abu Haneefah) did not establish a law separately and alone but diligently
adhered to the sources from which he sought guidance. Interestingly, the Imam of the
methodology of the estimate of Hanafi law does not make the opinion of tabi'in scholars
a reference because of the long period between Rosulullah and scholars of the tabi'in
generation. He argued that his position was the same as that of tabi'in in terms of ijtihad.
It can be concluded that the basics of Imam Abu Haneefa in be ijtihad are:
1. Book of Allah (Qur'an Karim)
According to him, the Qur'an is the primary source of Sharia law that is used as a
reference in determining the law because the Qur'an is the essential kalamullah, so it is
placed in the first order.
2. The Sunnah of the Prophet of Allah, who has been famous / mutawatir.
Al-Sunnah is the second reference after the Qur'an because this is explanatory in
the interpretation of the verses of the Qur'an so that Imam Hanafi classifies hadith in two
categories, namely mutawatir and ahad hadith. Samsul Bahri, quoted by Habba Zuhaida,
stated that the mutawatir hadith is a sunnah repeated by many companions, and it is
impossible to agree to lie. At the same time, the sunna/hadith ahad sunnah is practised by
only a few people and does not reach the degree of mutawatir.
3. The opinion of the companions of the prophet.
The Companions' words occupy a strong position in the view of Imam Hanafi.
According to him, they are the ones who bring the message of the Messenger and God
correctly and full of the nature of piety towards Allah SWT because they learned direct
contact with the Prophet SAW.
4. Al-Qiyas
Imam Hanafi is known for using rationality (ra'yi) in his method of fatwa-making.
In addition, Abu Haneefa also used Kias as a precedent. However, sometimes, he did not
kick it for some reason but only urged Abu Haneefa to adhere to the general principle
called istihsan and the summary of other imams.
Imam Hanafi used qiyas when he was found explicitly in the study of the ruling
with the questions he faced in the Qur'an and Sunnah. He synergised the questions he
faced by linking furu' with axial (nash) in the ask ill at the ruling.
5. Istihsan
        

, meaning to consider good towards something. However, it
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is something that others think is not good. As for istihsan in terminology, the scholars are
pretty diverse. Based on legal principles, Imam Hanafi established Istihsan as sunbath, a
method of legal interpretation related to the word of Allah Almighty in the Qur'an,
namely:


















Means:
"The one who listens to the words follows what is best among them. They are the ones
whom God has instructed, and they are the men who have a reason." (Q.S Az Zumar verse
18)
6. Ijma to ulama
Ijma' was a consensus with the Muslims after the death of the Messenger of Allah
in determining the law by the law of sayara' referring to the Qur'an and Sunnah. In this
case, Ijma' is divided into two categories: Ijma' Shariah (clear/unequivocal) and Ijma' suki
(agreement expressed by some mujtahids while others are silent). Imam Hanafi uses Ijma'
suki to argue for digging and establishing laws (istinbath hukum). In contrast, Imam
Shafi'i does not use Ijma' suki because he states that the silence of the mujtahid does not
signify study but could be a form of doubt before the decision of determining the law.
Ijma' shariah is used as a blajjah for Imam Shafi'i. The basis of Ijma', which is used as an
argument in determining a Sharia law, is:
 
Means:
"O believers, obey Allah, his messenger, and ulil amri among you. An-Nisa: 59).
7. Al Urf masyarata muslim
Urf is something (habit) that has been running in society and repeated in its lifetime
in the form of words, deeds, general and particular, right or wrong can also mean human
habits that can be accepted by reason, and they constantly repeat it.
Dialektika Istinbath Hukum Imam Abu Hanifah
The difference in perspective among the usual leaders is mainly related to their level
of understanding of the essence and implications of Istihsan, as illustrated below:
1. A proposition that compels or requires a mujtahid to accept it and is difficult to express
its essence. However, if examined, then such a definition is not quite right because if
the compulsion or necessity of a mujtahid means that a mujtahid has doubts about the
legal status of a proposition, then it changes the legality of a mujtahid because Sharia
law is determined not based on possibility or doubt. So, if at least the law is strong and
is one of the postulates of share, then the problem is no longer controversial in its
legality and acceptance.
2. Moving from applying one form of Qiyas to another, or takhsish of Qiyas with stronger
postulates. The definition is not quite right because it does not include all forms of
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Istihsan, namely Istihsan with Nash from the Qur'an, al-Hadith, ijma', Urf, or
Mashlahah.
3. Move from breaking one problem to a disconnection method applied to another similar
problem and move to another method because a condition requires it. If examined, this
third definition also does not fully describe the nature of Istihsan. Moving from the
general meaning to the meaning of takhsish and from manuka to Nasik is Istihsan.
However, according to the Hanafiyah, this understanding is not considered the Istihsan
category. In addition, with the formulation of this third definition, moving from
Istihsan to other methods is considered Istihsan, which is not the case.
4. Prof. Dr. Mukhtar Yahya and Prof. Drs. Fatchurrahman presented a more precise and
easier-to-understand definition. According to him, "Ihsan is to leave the real qiyas to
carry out the unreal qiyas (obvious) or leave the ruling of kulli to carry out the ruling
of ostinati (exception) because there is a daily which according to logic justifies it."
5. Ibn Arabi al-Maliki defines istihsan as "to abandon a proposition using the method of
exclusion and rukhsah because there are contradictory things in the implementation of
the postulate." Then Imam Al-Ghazali, in his book al-Musthasfâ vol. I, p. 137, says
that istihsan are all things that the mujtahid considers suitable according to his reason.
(Noorwahidah, 2016).
6. According to Al-Kurkhi Al-Hanafi, istihsan is "the legal decision of a mujtahid on a
matter inversely proportional to the law of other similar problems, weighed from a
more substantial side that demands a change from the original law.
7. Abdul Wahab Khalaf argued that istihsan is: "the transfer of mujtahid from clear qiyas
rules to vague (hidden) qiyas determinations, or from fully (general) provisions to
specific legal provisions, because in mujtahid pandanagan a stronger proposition
(reason) that requires the transfer in question". Meanwhile, according to Imam Al-
Bazdawi, as quoted by Abdul Karim Zaidan gives an understanding of istihsan:
"istihsan is a move from supposedly using qiyas to another stronger qiyas provision
by specialising in qiyas provisions using stronger propositions" 
2020).
8. From some opinions of scholars about an understanding of one of the methods of
istinbath law of Imam Abu Haneefah, namely istihsan, then here we can decide on a
more specific law which at first the law was general because of the existence of an ilat
or a slight deficiency that was considered more potent than other postulates.
After seeing the many differences between the scholars above regarding the
definition of istihsan, I see that some of these understandings have meanings that are
similar in their application. So, in this case, if we review further the understanding of
istihsan put forward by Imam Abu Haneefa and Imam Shafi'i and his follower scholars
are not out of the existing legal understanding because, indeed, several things can
strengthen other postulates or what we know with the term takes as we know this is found
in the nash both in the Qur'an and Al-Hadith.
In some of the information described above, we see Imam Shafi'i and other follower
imams interpreting the existence of istihsan as a postulate of Sharia law, but in this case,
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he does not lead to the essence of istihsan itself; we realise that Imam Shafi'i rejects the
background In of the phenomenon that occurred at that time where many of the Muslims
quickly punished a sharia law by not see one condition and circumstance. Therefore,
many people find it easy to establish a law of Islam without studying one of its laws. We
also know that one thing we consider good according to humans is not necessarily good
according to Allah's sight, which has been decreed by the Prophet Muhammad (PBUH).
One of the most important things is that if one uses legal formulation using the
Istihsan approach, it is essential to understand the essence of Istihsan. As a result, there
is no basis to criticise Istihsan practitioners (in the sense mentioned above) as
unreasonable factions in enacting laws or claiming to be heretics.
Its Implementation in the Field of Islamic Economics and Finance
It is well known that the purpose of implementing sharia is to realise maslahah and
reject damage, both in the world and hereafter. This means that every aspect of Islamic
teachings must be aimed at realising the benefit of the Ummah, including the economic
field. Therefore, the Islamic economy must play a role in solving the current economic
problems. The logical consequence is that creating a Sharia economic building cannot be
separated from the theory of goodness and maslahah, which is the essence of the istihsan
method.
This effort is a step to internalise Islamic economic values in the nation's economy.
The cultivation of Islamic economic values will influence the behaviour of economic
agents. For example, when a person knows that honesty has implications for the values
of worship of Allah, including behaviour contrary to sharia, such as betrayal, corruption,
and reducing the dose and scale. The internalisation of Sharia values in the Sharia
economy in Indonesia is an effort to develop the nation's character and science, especially
since the majority of Indonesians embrace Islam. It aims to develop the potential of
Muslims by bringing the basic principles of Islamic economics.
Akad Syirkah Mufawadhah
Shirkkah, according to the language, means al-ikhtilath, which means campus
ratio mixing. The meaning of mixing in this context is when a person combines their
belongings with the belongings of others in such a way that it becomes challenging to
distinguish between them. According to the definition of sharia, shirkah is a transaction
between two or more people who agree to carry out a financial business to seek profit
(Hanafi, 2020). shirkah al-mufâwadhah because of the similarities in capital, profit,
property management, and so on (Adam, 2021).
In this contract, the scholars of fiqh differed in their legal determinations. Hanafi
scholars found that the contract of shirkah al-mufâwadhah was permissible based on
equality in capital, profit, work, loss, and religion. While Shafi'iyah and Hanablah
scholars argue that the law is invalid (void), the scholars of the Maliki school expressly
allow it. To be clear, equality is not mandatory, as proposed by the Hanafi scholars.
However, according to Maliki scholars, the validity of shirkah al-mufawadhah does not
carry the same weight as that of Hanafi scholars. They made this agreement universally
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applicable, allowing all union members to manage capital without requiring input from
their allies.
In Kitab al-Hidayah, as quoted by al-Bugha, an account of the debate among
Hanafi scholars who approved shirkah al-mufawadhah is described below.
"The basis for the argument of the ability of the contract of shirkah al-
mufawadhah is based on istihsan. In the book al-Hidayah it is mentioned that this shirkah
is permissible according to our view (the Hanafi school) based on istihsan".
Akad Sell and Purchase Istishna'
Istishna           
, which means to make. According to istishna
terminology, it is an agreement between the seller and the buyer to make an item
according to the buyer's criteria, with the material all handed over to the seller. While in
terms of the fukaha, the definition of istishna' is that "Akad asks someone to make a
certain item in a certain form, or can be interpreted as a contract made by someone to
make a certain item in dependents". (Wahbah al-Zuhaili, 2012)
Hanafi scholars argue that if it is based on qiyas and general rules, then the
contract of istishna' should not be carried out because this contract contains the sale and
purchase of goods that do not exist (bai' ma'dum), such as the contract of greetings. The
buying and selling of goods that do not exist is not permissible under the prohibition of
the Prophet (peace be upon him) to sell according to what no one has. Therefore, this
contract cannot be said to be buying and selling because it is a sale and purchase of goods
that do not exist (Adam, 2021).
For Hanafi scholars, the Krishna contract can be made based on the istihsan
proposition shown by the habit of the community making this contract all the time without
anyone reneging on it so that it becomes a consensus/ijma without anyone rejecting it.
The concept of such a proposition is included in the meaning of the hadith, "My people
will not agree in error", and the hadith ", What is considered good by Muslims is good
according to Allah". (Wahbah al-Zuhaili, 2012)
Credit Sale and Purchase Card
Credit buying and selling, or Al-Bai bi Tsaman Al-Ajal, is a buying and selling
transaction through debt. The seller delivers the goods he sells to the buyer at a mutually
agreed price, but the payment is deferred until a predetermined period. (Muhajirin, 2022)
The definition of credit in normative law, contained in Banking Law No. 10 of 1998, is
the provision of money or bills that can be likened to it based on an agreement or loan
agreement between a bank and another party that requires the borrower to pay off its debt
after a certain period with interest. Credit/instalment/instalment / non-cash sale is a sale
and purchase transaction where the goods are received at the time of the transaction with
non-cash payments at a more expensive price than the cash price. The buyer pays off his
obligations in certain instalments within a certain period (Muqorobin & Fahmi, 2020).
In this regard, jurisprudence scholars expressed different opinions regarding the
legal aspects of buying and selling contracts through credit transactions. The underlying
cause of disagreement among scholars stems from the price increase observed due to
Yogi Kurniawan, Muhajirin
Jurnal Indonesia Sosial Teknologi, Vol. 5, No. 4, April 2024 1790
payment delays, regardless of whether one falls within a prohibition mentioned in the
hadith of the Prophet Muhammad (PBUH), which states: from Abu Hurairah
Radiyallahuan the Prophet (peace be upon him) said, that he forbade two buying and
selling transactions in one buying and selling transaction (HR. et al. and others).
One of the legal sources that states the permissibility of buying and selling contracts
on credit is Urf. Tradition (Urf) imposes that the cash price is higher in value than the
credit price. As long as the beginning of the contract does not mention two prices, the
contract is halal. (Nawawi, Classical and Contemporary Muamalah Fiqh 2017, 106-107).
Then another source of law is Ijma', which agrees on the permissibility or non-discovery
of a related mushroom in the transaction of buying and selling on credit; we also know
the Muslim community is accustomed to carrying out such activities in this way.
Conclusion
From some of the discussions that have been described above and the results of the
analysis using a library research approach, it can be concluded that Istihsan is used as an
istinbath method by Imam Abu Haneefa and other scholars have a strong foundation both
from the Qur'an, Al-Hadith and the views of several other scholars. Thus, the existence
of an istihsan can be a postulate of shari'a, although Imam Shafi'i, in his understanding of
istihsan, categorically rejects it as a postulate of shari'a. However, in some reality, we can
see that Imam Shafi'i used it, although it does not mention it as istihsan. It is a postulate
in be ijtihad.
There are many differences regarding one stipulation of the law of Istinbat,
especially on Istihsan. So, it causes many different views about the meaning of istihsan
itself, and this causes many legal differences that will result from the method. Some
implementations of the Istihsan method in Islamic economics and finance are commonly
found in the community in the contract of Shirkah Mufawadhah, Buying and Selling
Istishna' and buying and selling credit. While preparing this study, the researcher only
took a few dialectics of the law of the famous Imam Abu Haneefah. Therefore,
researchers suggest re-evaluating the dialectic of Imam Abu Haneefah's legal instinct,
especially on the istihsan method, to get effective results.
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