Question: If a propositional logic wff in the form: A B(CD) was changed to: A B C D, then most likely which one of the propositional

If a propositional logic wff in the form: A B(CD) was changed to: A B C D, then most likely which one of the propositional logic rules was applied?

If a propositional logic wff in the form: A AB (C- D) was changed to: A ABAC D, then most likely which one of the propositional logic rules was applied

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