Nuprl Lemma : K-le_wf

∀[K:mKripkeStruct]. ∀[i,j:World].  (i ≤ j ∈ ℙ)


Proof




Definitions occuring in Statement :  K-le: i ≤ j,  K-world: World,  mFO-Kripke-struct: mKripkeStruct,  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  mFO-Kripke-struct: mKripkeStruct,  spreadn: spread4,  K-world: World,  pi1: fst(t),  K-le: i ≤ j,  pi2: snd(t)
Lemmas referenced :  K-world_wf,  mFO-Kripke-struct_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  cut,  sqequalHypSubstitution,  productElimination,  thin,  sqequalRule,  applyEquality,  hypothesisEquality,  hypothesis,  inhabitedIsType,  universeIsType,  introduction,  extract_by_obid,  isectElimination

Latex:
\mforall{}[K:mKripkeStruct].  \mforall{}[i,j:World].    (i  \mleq{}  j  \mmember{}  \mBbbP{})



Date html generated: 2019_10_16-AM-11_44_12
Last ObjectModification: 2018_10_13-PM-00_02_26

Theory : minimal-first-order-logic


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