Nuprl Lemma : less_than_wf

[a,b:ℤ].  (a < b ∈ ℙ)


Proof




Definitions occuring in Statement :  less_than: a < b uall: [x:A]. B[x] prop: member: t ∈ T int:
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T less_than: a < b prop:
Lemmas referenced :  member_wf less_than'_wf and_wf squash_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule lemma_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis intEquality axiomEquality equalityTransitivity equalitySymmetry isect_memberEquality because_Cache

Latex:
\mforall{}[a,b:\mBbbZ{}].    (a  <  b  \mmember{}  \mBbbP{})



Date html generated: 2016_05_13-PM-03_17_52
Last ObjectModification: 2016_01_06-PM-05_20_13

Theory : core_2


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