Nuprl Lemma : sp-le_weakening
∀[x:Sierpinski]. x ≤ x
Proof
Definitions occuring in Statement :
sp-le: x ≤ y,
Sierpinski: Sierpinski,
uall: ∀[x:A]. B[x]
Definitions unfolded in proof :
sp-le: x ≤ y,
uall: ∀[x:A]. B[x],
member: t ∈ T,
implies: P ⇒ Q,
prop: ℙ
Lemmas referenced :
equal-wf-T-base,
Sierpinski_wf
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
sqequalTransitivity,
computationStep,
isect_memberFormation,
introduction,
cut,
lambdaFormation,
hypothesis,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
hypothesisEquality,
baseClosed,
lambdaEquality,
dependent_functionElimination,
axiomEquality,
because_Cache
Latex:
\mforall{}[x:Sierpinski]. x \mleq{} x
Date html generated:
2019_10_31-AM-06_36_06
Last ObjectModification:
2017_07_28-AM-09_12_03
Theory : synthetic!topology
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