Nuprl Lemma : sp-le-bottom

∀[x:Sierpinski]. ⊥ ≤ x


Proof




Definitions occuring in Statement :  sp-le: x ≤ y,  Sierpinski: Sierpinski,  Sierpinski-bottom: ⊥,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  sp-le: x ≤ y,  uall: ∀[x:A]. B[x],  member: t ∈ T,  implies: P ⇒ Q,  not: ¬A,  false: False,  prop: ℙ
Lemmas referenced :  Sierpinski-unequal,  equal-wf-base,  Sierpinski_wf
Rules used in proof :  cut,  introduction,  extract_by_obid,  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  lambdaFormation,  sqequalHypSubstitution,  independent_functionElimination,  thin,  hypothesis,  voidElimination,  isectElimination,  baseClosed,  lambdaEquality,  dependent_functionElimination,  hypothesisEquality,  axiomEquality,  because_Cache

Latex:
\mforall{}[x:Sierpinski].  \mbot{}  \mleq{}  x



Date html generated: 2019_10_31-AM-06_36_09
Last ObjectModification: 2017_07_28-AM-09_12_05

Theory : synthetic!topology


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