Saying “Allah is my witness that I will not do such and such” – is it an oath?

What is the ruling on one who swore that he would not do something and he swore that he would not break his oath or offer expiation?

He swore that he would pay the taxi fare, then his friend paid it

Is it permissible to recant a vow or oath?

Ruling on swearing by the aayaat of Allah

Is an oath of conditional divorce swearing by something other than Allah?

Is it valid as expiation for breaking an oath (kaffarat yameen) to buy food for the poor from a restaurant?

She made a pledge to Allah that she would give up a habit, but she did not fulfil that pledge. What must she do?

What is meant by {from the average of that which you feed your [own] families} [al-Maa’idah 5:89]

He fasted as expiation for breaking an oath, but is not sure whether his fasting is valid, because he could afford to feed poor people