is_prod
pairSyntax.is_prod : hol_type -> bool
Tests a type to see if it is a product type.
If ty is a type of the form ty1 # ty2, then is_prod ty returns true.
ty
ty1 # ty2
is_prod ty
true
Never fails.
pairSyntax.dest_prod, pairSyntax.mk_prod
pairSyntax.dest_prod
pairSyntax.mk_prod