Nuprl Lemma : fpf-type
∀[A:Type]. ∀[B:A ─→ Type]. ∀[f:a:A fp-> B[a]]. (f ∈ a:{a:A| (a ∈ fpf-domain(f))} fp-> B[a])
Proof
Definitions occuring in Statement :
fpf-domain: fpf-domain(f),
fpf: a:A fp-> B[a],
l_member: (x ∈ l),
uall: ∀[x:A]. B[x],
so_apply: x[s],
member: t ∈ T,
set: {x:A| B[x]} ,
function: x:A ─→ B[x],
universe: Type
Lemmas :
fpf_wf,
list-subtype,
subtype_rel_dep_function,
l_member_wf,
set_wf,
subtype_rel_self
\mforall{}[A:Type]. \mforall{}[B:A {}\mrightarrow{} Type]. \mforall{}[f:a:A fp-> B[a]]. (f \mmember{} a:\{a:A| (a \mmember{} fpf-domain(f))\} fp-> B[a])
Date html generated:
2015_07_17-AM-09_15_51
Last ObjectModification:
2015_01_28-AM-07_52_57
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