The Differences Between the Conjunctions in an Oath
Machine translationRead the Arabic original
The questioner:
If one says, "By my life" or "By the greatness of my neck."
The Shaykh:
It is not a valid oath unless he says "by my life" with the letter ba. The oath is made with ba, or hamza, or waw, or ta. As for the mim in "upon" in the phrase "upon the oath," if the conjunctions are derived from one another, the fa and the waw, then the waw. They differ, they differ in order. The waw is for aggregation, and the fa is for sequence with connection, then for sequence with separation. They differ, and every letter of conjunction is a conjunction, but their meanings differ. Yes.
If one says, "By my life" or "By the greatness of my neck."
The Shaykh:
It is not a valid oath unless he says "by my life" with the letter ba. The oath is made with ba, or hamza, or waw, or ta. As for the mim in "upon" in the phrase "upon the oath," if the conjunctions are derived from one another, the fa and the waw, then the waw. They differ, they differ in order. The waw is for aggregation, and the fa is for sequence with connection, then for sequence with separation. They differ, and every letter of conjunction is a conjunction, but their meanings differ. Yes.
Source
شرح كتاب التوحيد الذي هو حق الله على العبيد، باب قول: ما شاء الله وشئت — islamhouse.com (5:53)
The Arabic text is a machine transcription of the audio recording.