SWAP_EXISTS_CONV

Conv.SWAP_EXISTS_CONV : conv

Interchanges the order of two existentially quantified variables.

When applied to a term argument of the form ?x y. P, the conversion SWAP_EXISTS_CONV returns the theorem:

   |- (?x y. P) = (?y x. P)

Failure

SWAP_EXISTS_CONV fails if applied to a term that is not of the form ?x y. P.