Nuprl Lemma : fpf-compatible-singles-trivial

[A:Type]. [eq:EqDecider(A)]. [B:Top]. [x,y:A]. [v,u:Top].  x : v || y : u supposing (x = y)


Proof not projected




Definitions occuring in Statement :  fpf-single: x : v fpf-compatible: f || g uimplies: b supposing a uall: [x:A]. B[x] top: Top so_apply: x[s] not: A universe: Type equal: s = t deq: EqDecider(T)
Definitions :  uall: [x:A]. B[x] uimplies: b supposing a fpf-compatible: f || g member: t  T all: x:A. B[x] implies: P  Q and: P  Q so_lambda: x.t[x] ifthenelse: if b then t else f fi  guard: {T} bfalse: ff assert: b not: A so_apply: x[s] false: False prop: iff: P  Q eqof: eqof(d) reduce: reduce(f;k;as) pi1: fst(t) deq-member: deq-member(eq;x;L) fpf-single: x : v fpf-dom: x  dom(f) or: P  Q deq: EqDecider(T)
Lemmas :  and_wf assert_wf fpf-dom_wf fpf-single_wf top_wf not_wf equal_wf deq_wf assert-deq or_functionality_wrt_uiff2 assert_of_bor iff_weakening_uiff iff_transitivity and_functionality_wrt_iff false_wf or_wf bfalse_wf bor_wf

\mforall{}[A:Type].  \mforall{}[eq:EqDecider(A)].  \mforall{}[B:Top].  \mforall{}[x,y:A].  \mforall{}[v,u:Top].    x  :  v  ||  y  :  u  supposing  \mneg{}(x  =  y)


Date html generated: 2012_01_23-AM-11_55_26
Last ObjectModification: 2011_12_10-PM-12_07_42

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