In an executory contract such as a sale, parties create new legal relations and an option can sometimes be stipulated under the applicable rules.
An admission instead reports an existing right. A report does not change from true to false merely because the speaker later elects to withdraw it. That is why an option to rescind an admission is rejected.
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Why an option belongs to contracts
Kitab al-Iqrar: Conjoined Amounts, Divine-Will Clauses, and Options
In an executory contract such as a sale, parties create new legal relations and an option can sometimes be stipulated under the applicable rules.
An admission instead reports an existing right. A report does not change from true to false merely because the speaker later elects to withdraw it. That is why an option to rescind an admission is rejected.