Major Section: ACL2-BUILT-INS
Completion Axiom (completion-of-unary-minus):
(equal (unary-- x)
(if (acl2-numberp x)
(unary-- x)
0))
Guard for (unary-- x):
(acl2-numberp x)Notice that like all arithmetic functions,
unary-- treats
non-numeric inputs as 0.Calls of the macro - on one argument expand to calls of
unary--; see -.