Nuprl Lemma : csm-face-and

[r,s,sigma:Top].  (((r ∧ s))sigma ((r)sigma ∧ (s)sigma))


Proof




Definitions occuring in Statement :  face-and: (a ∧ b) csm-ap-term: (t)s uall: [x:A]. B[x] top: Top sqequal: t
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T csm-ap-term: (t)s face-and: (a ∧ b) csm-ap: (s)x cubical-term-at: u(a)
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule hypothesis sqequalAxiom lemma_by_obid sqequalHypSubstitution isect_memberEquality isectElimination thin hypothesisEquality because_Cache

Latex:
\mforall{}[r,s,sigma:Top].    (((r  \mwedge{}  s))sigma  \msim{}  ((r)sigma  \mwedge{}  (s)sigma))



Date html generated: 2016_05_19-AM-08_25_48
Last ObjectModification: 2016_04_05-PM-02_46_16

Theory : cubical!type!theory


Home Index