is_pexists
pairSyntax.is_pexists : (term -> bool)
Tests a term to see if it as a paired existential quantification.
is_pexists "?pair. t" returns true. If the term is not a paired existential quantification the result is false.
is_pexists "?pair. t"
true
false
Never fails.
boolSyntax.is_exists, pairSyntax.dest_pexists
boolSyntax.is_exists
pairSyntax.dest_pexists