Nuprl Lemma : set-ss-eq

∀[ss,P,x,y:Top].  (x ≡ y ~ x ≡ y)


Proof




Definitions occuring in Statement :  set-ss: set-ss(ss;x.P[x]),  ss-eq: x ≡ y,  uall: ∀[x:A]. B[x],  top: Top,  so_apply: x[s],  sqequal: s ~ t
Definitions unfolded in proof :  so_apply: x[s],  top: Top,  so_lambda: λ2x.t[x],  member: t ∈ T,  uall: ∀[x:A]. B[x],  ss-eq: x ≡ y
Lemmas referenced :  top_wf,  set-ss-sep
Rules used in proof :  because_Cache,  sqequalAxiom,  hypothesis,  voidEquality,  voidElimination,  isect_memberEquality,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  cut,  introduction,  isect_memberFormation,  computationStep,  sqequalTransitivity,  sqequalReflexivity,  sqequalRule,  sqequalSubstitution

Latex:
\mforall{}[ss,P,x,y:Top].    (x  \mequiv{}  y  \msim{}  x  \mequiv{}  y)



Date html generated: 2016_11_08-AM-09_12_11
Last ObjectModification: 2016_11_03-AM-00_05_02

Theory : inner!product!spaces


Home Index