وَيَجُوزُ تَقْدِيرُ الشَّرْطِ بَعْدَهَا
An implied condition may be supplied after them.
If a speaker says “Tell me the way, and I will arrive,” the consequence is dependent on supplying directions. An implied in-condition can therefore explain the syntax or logical bond of the second clause.
Taqdīr does not claim that the word in is explicitly uttered. It is a grammatical–semantic reconstruction; the conditional link is justified only when the desired action can naturally serve as a condition for the stated consequence.