Nuprl Lemma : fpf-contains_self
∀[A:Type]. ∀[B:A ⟶ Type].  ∀eq:EqDecider(A). ∀f:a:A fp-> B[a] List.  f ⊆⊆ f
Proof
Definitions occuring in Statement : 
fpf-contains: f ⊆⊆ g
, 
fpf: a:A fp-> B[a]
, 
list: T List
, 
deq: EqDecider(T)
, 
uall: ∀[x:A]. B[x]
, 
so_apply: x[s]
, 
all: ∀x:A. B[x]
, 
function: x:A ⟶ B[x]
, 
universe: Type
Definitions unfolded in proof : 
fpf-contains: f ⊆⊆ g
, 
uall: ∀[x:A]. B[x]
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
cand: A c∧ B
, 
member: t ∈ T
, 
so_apply: x[s]
, 
so_lambda: λ2x.t[x]
, 
uimplies: b supposing a
, 
prop: ℙ
, 
subtype_rel: A ⊆r B
, 
top: Top
Lemmas referenced : 
l_contains_weakening, 
fpf-ap_wf, 
list_wf, 
assert_wf, 
fpf-dom_wf, 
subtype-fpf2, 
top_wf, 
fpf_wf, 
deq_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
isect_memberFormation, 
lambdaFormation, 
cut, 
hypothesis, 
independent_pairFormation, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
applyEquality, 
hypothesisEquality, 
dependent_functionElimination, 
lambdaEquality, 
independent_isectElimination, 
because_Cache, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
functionEquality, 
cumulativity, 
universeEquality
Latex:
\mforall{}[A:Type].  \mforall{}[B:A  {}\mrightarrow{}  Type].    \mforall{}eq:EqDecider(A).  \mforall{}f:a:A  fp->  B[a]  List.    f  \msubseteq{}\msubseteq{}  f
Date html generated:
2018_05_21-PM-09_19_15
Last ObjectModification:
2018_02_09-AM-10_17_29
Theory : finite!partial!functions
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