Nuprl Lemma : equal-unit
∀[x,y:Unit]. (x = y ∈ Unit)
Proof
Definitions occuring in Statement :
uall: ∀[x:A]. B[x],
unit: Unit,
equal: s = t ∈ T
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
unit: Unit,
it: ⋅
Lemmas referenced :
unit_wf,
it_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
sqequalHypSubstitution,
equalityElimination,
lemma_by_obid,
hypothesis,
sqequalRule,
isect_memberEquality,
isectElimination,
thin,
hypothesisEquality,
axiomEquality,
because_Cache
Latex:
\mforall{}[x,y:Unit]. (x = y)
Date html generated:
2016_05_13-PM-03_16_13
Last ObjectModification:
2016_01_06-PM-05_20_53
Theory : core_2
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