Nuprl Lemma : has-value_wf_base

[a:Base]. ((a)↓ ∈ ℙ)


Proof




Definitions occuring in Statement :  has-value: (a)↓ uall: [x:A]. B[x] prop: member: t ∈ T base: Base
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T has-value: (a)↓ prop:
Lemmas referenced :  base_sq base_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule sqleIntensionalEquality lemma_by_obid hypothesis sqequalHypSubstitution axiomEquality equalityTransitivity equalitySymmetry

Latex:
\mforall{}[a:Base].  ((a)\mdownarrow{}  \mmember{}  \mBbbP{})



Date html generated: 2016_05_13-PM-03_21_52
Last ObjectModification: 2015_12_26-AM-09_31_55

Theory : call!by!value_1


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