Nuprl Lemma : uimplies-wf

[A:ℙ]. ∀[B:⋂a:A. ℙ].  (B supposing A ∈ ℙ)


Proof




Definitions occuring in Statement :  uimplies: supposing a uall: [x:A]. B[x] prop: member: t ∈ T isect: x:A. B[x]
Definitions unfolded in proof :  uimplies: supposing a prop: uall: [x:A]. B[x] member: t ∈ T subtype_rel: A ⊆B
Rules used in proof :  sqequalSubstitution sqequalRule sqequalReflexivity sqequalTransitivity computationStep isect_memberFormation introduction cut isectEquality hypothesisEquality applyEquality lambdaEquality hypothesis rename isectElimination equalityTransitivity equalitySymmetry cumulativity universeEquality sqequalHypSubstitution axiomEquality isect_memberEquality thin because_Cache

Latex:
\mforall{}[A:\mBbbP{}].  \mforall{}[B:\mcap{}a:A.  \mBbbP{}].    (B  supposing  A  \mmember{}  \mBbbP{})



Date html generated: 2016_05_13-PM-03_07_11
Last ObjectModification: 2016_01_06-PM-05_28_32

Theory : core_2


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