Nuprl Lemma : meqfun_wf
∀[A,X:Type]. ∀[d:metric(X)]. ∀[f,g:A ⟶ X]. (meqfun(d;A;f;g) ∈ ℙ)
Proof
Definitions occuring in Statement :
meqfun: meqfun(d;A;f;g),
metric: metric(X),
uall: ∀[x:A]. B[x],
prop: ℙ,
member: t ∈ T,
function: x:A ⟶ B[x],
universe: Type
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
meqfun: meqfun(d;A;f;g),
prop: ℙ,
all: ∀x:A. B[x]
Lemmas referenced :
meq_wf,
metric_wf,
istype-universe
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation_alt,
introduction,
cut,
sqequalRule,
functionEquality,
hypothesisEquality,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
applyEquality,
hypothesis,
axiomEquality,
equalityTransitivity,
equalitySymmetry,
inhabitedIsType,
isect_memberEquality_alt,
isectIsTypeImplies,
functionIsType,
universeIsType,
instantiate,
universeEquality
Latex:
\mforall{}[A,X:Type]. \mforall{}[d:metric(X)]. \mforall{}[f,g:A {}\mrightarrow{} X]. (meqfun(d;A;f;g) \mmember{} \mBbbP{})
Date html generated:
2019_10_30-AM-06_29_07
Last ObjectModification:
2019_10_02-AM-10_04_13
Theory : reals
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