Nuprl Lemma : le_wf

[i,j:ℤ].  (i ≤ j ∈ ℙ)


Proof




Definitions occuring in Statement :  uall: [x:A]. B[x] prop: le: A ≤ B member: t ∈ T int:
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T le: A ≤ B prop:
Lemmas referenced :  and_wf not_wf less_than'_wf member_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{}[i,j:\mBbbZ{}].    (i  \mleq{}  j  \mmember{}  \mBbbP{})



Date html generated: 2016_05_13-PM-03_29_34
Last ObjectModification: 2015_12_26-AM-09_47_37

Theory : arithmetic


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