It is not a condition of divorce that the wife should know or that she should be divorced face-to-faceNo File Exists
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No File Exists
He concealed the fact that he had divorced his wife thrice (in writing) in a talaaq form, then his wife found out about it. Does the talaaq count as such?
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The wives of the Prophet (peace and blessings of Allaah be upon him), the Mothers of the Believers (may Allaah be pleased with them)