Nuprl Lemma : fpf-val_wf
∀[A:Type]. ∀[B:A ─→ Type]. ∀[f:a:A fp-> B[a]]. ∀[eq:EqDecider(A)]. ∀[x:A]. ∀[P:a:{a:A| ↑a ∈ dom(f)} ─→ B[a] ─→ ℙ].
(z != f(x) ==> P[x;z] ∈ ℙ)
Proof
Definitions occuring in Statement :
fpf-val: z != f(x) ==> P[a; z],
fpf-dom: x ∈ dom(f),
fpf: a:A fp-> B[a],
deq: EqDecider(T),
assert: ↑b,
uall: ∀[x:A]. B[x],
prop: ℙ,
so_apply: x[s1;s2],
so_apply: x[s],
member: t ∈ T,
set: {x:A| B[x]} ,
function: x:A ─→ B[x],
universe: Type
Lemmas :
assert_wf,
fpf-dom_wf,
subtype-fpf2,
top_wf,
subtype_top,
fpf-ap_wf,
deq_wf,
fpf_wf
\mforall{}[A:Type]. \mforall{}[B:A {}\mrightarrow{} Type]. \mforall{}[f:a:A fp-> B[a]]. \mforall{}[eq:EqDecider(A)]. \mforall{}[x:A]. \mforall{}[P:a:\{a:A| \muparrow{}a \mmember{} dom(f)\}
{}\mrightarrow{} B[a]
{}\mrightarrow{} \mBbbP{}].
(z != f(x) ==> P[x;z] \mmember{} \mBbbP{})
Date html generated:
2015_07_17-AM-09_17_04
Last ObjectModification:
2015_01_28-AM-07_51_28
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