Nuprl Lemma : tagged+_subtype_rel

[T,B:Type]. ∀[z:Atom].  (T |+ z:B ⊆T)


Proof




Definitions occuring in Statement :  tagged+: |+ z:B subtype_rel: A ⊆B uall: [x:A]. B[x] atom: Atom universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T tagged+: |+ z:B subtype_rel: A ⊆B
Lemmas referenced :  isect2_subtype_rel tag-case_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule lemma_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis axiomEquality atomEquality isect_memberEquality because_Cache universeEquality

Latex:
\mforall{}[T,B:Type].  \mforall{}[z:Atom].    (T  |+  z:B  \msubseteq{}r  T)



Date html generated: 2016_05_15-PM-06_46_14
Last ObjectModification: 2015_12_27-AM-11_48_35

Theory : general


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