Nuprl Lemma : RankEx1_size_wf

[T:Type]. ∀[p:RankEx1(T)].  (RankEx1_size(p) ∈ ℕ)


Proof




Definitions occuring in Statement :  RankEx1_size: RankEx1_size(p) RankEx1: RankEx1(T) nat: uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T RankEx1_size: RankEx1_size(p) RankEx1co_size: RankEx1co_size(p) RankEx1: RankEx1(T) uimplies: supposing a nat: so_lambda: λ2x.t[x] so_apply: x[s]
Lemmas referenced :  termination nat_wf set-value-type le_wf int-value-type RankEx1co_size_wf RankEx1_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation cut sqequalRule sqequalHypSubstitution setElimination thin rename lemma_by_obid isectElimination hypothesis independent_isectElimination intEquality lambdaEquality natural_numberEquality hypothesisEquality universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[p:RankEx1(T)].    (RankEx1\_size(p)  \mmember{}  \mBbbN{})



Date html generated: 2016_05_16-AM-08_56_25
Last ObjectModification: 2015_12_28-PM-06_52_26

Theory : C-semantics


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