| Who Cites disjoint2? |
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disjoint2 | Def disjoint (eq;L;M) == (letrec disjoint2 L = (Case of L; nil true ; h.t if h( eq) M false else disjoint2(t) fi) ) (L) |
| | Thm* T:Type, eq:{T }, L,M:T List. disjoint (eq;L;M)  |
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is_member | Def x( eq) L == (letrec is_member x eq L = (Case of L; nil false ; h.t if eq(x,h) true else is_member(x,eq,t) fi) ) (x,eq,L) |
| | Thm* T:Type, eq:(T T  ), u:T. u( eq) nil  |
| | Thm* T:Type, eq:(T T  ), x:T, L:T List. x( eq) L  |
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letrec_body | Def = b == b |
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letrec_arg | Def x b(x) (x) == b(x) |
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letrec | Def (letrec f b(f)) == b((letrec f b(f)) ) (recursive) |