Nuprl Lemma : RankEx4_size_wf

[p:RankEx4()]. (RankEx4_size(p) ∈ ℕ)


Proof




Definitions occuring in Statement :  RankEx4_size: RankEx4_size(p) RankEx4: RankEx4() nat: uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T RankEx4_size: RankEx4_size(p) RankEx4co_size: RankEx4co_size(p) RankEx4: RankEx4() 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 RankEx4co_size_wf RankEx4_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

Latex:
\mforall{}[p:RankEx4()].  (RankEx4\_size(p)  \mmember{}  \mBbbN{})



Date html generated: 2016_05_16-AM-09_03_56
Last ObjectModification: 2015_12_28-PM-06_48_38

Theory : C-semantics


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