x
L.P(x) == (letrec exists L = (Case of L; nil 
false ; h.t P(h) 
exists(t)) ) (L)
T:Type, P:(T
), L:T List. xL.P(x) q == if p true else q fip,q:. (p q) | No mentions to report in list_3_jlc | |
| list_exists_2 | Def xL.P(x) == (letrec exists L = (Case of L; nil false ; h.t P(h) exists(t)) ) (L) |
| Thm* T:Type, P:(T), L:T List. xL.P(x) | |
| bor | Def p q == if p true else q fi |
| Thm* p,q:. (p q) | |
| letrec_body | Def = b == b |
| letrec_arg | Def x b(x) (x) == b(x) |
| letrec | Def (letrec f b(f)) == b((letrec f b(f)) ) (recursive) |
| Syntax: | xL.P(x) | has structure: | list_exists_2(L; x.P(x)) |
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