el_counter |
Def ||e:L|| == if null(L)![]() ![]() ![]()
Thm* |
nat |
Def ![]() ![]() ![]() Thm* |
tl |
Def tl(l) == Case of l; nil ![]() ![]()
Thm* |
hd |
Def hd(l) == Case of l; nil ![]() ![]()
Thm* |
eq_int |
Def i=![]() ![]() ![]() ![]() Thm* |
null |
Def null(as) == Case of as; nil ![]() ![]() ![]() ![]()
Thm*
Thm* null(nil) |
le |
Def A![]() ![]() Thm* |
not |
Def ![]() ![]() ![]() Thm* |
About:
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