Nuprl Lemma : rel-connected_transitivity

∀[T:Type]. ∀[R:T ⟶ T ⟶ ℙ]. ∀[x,y,z:T].  (x──R⟶y ⇒ y──R⟶z ⇒ x──R⟶z)


Proof




Definitions occuring in Statement :  rel-connected: x──R⟶y,  uall: ∀[x:A]. B[x],  prop: ℙ,  implies: P ⇒ Q,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  rel-connected: x──R⟶y,  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  member: t ∈ T,  prop: ℙ,  infix_ap: x f y
Lemmas referenced :  rel_star_transitivity,  rel_star_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  lambdaFormation,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  because_Cache,  hypothesisEquality,  independent_functionElimination,  hypothesis,  applyEquality,  functionEquality,  cumulativity,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[R:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[x,y,z:T].    (x{}{}R{}\mrightarrow{}y  {}\mRightarrow{}  y{}{}R{}\mrightarrow{}z  {}\mRightarrow{}  x{}{}R{}\mrightarrow{}z)



Date html generated: 2016_05_13-PM-04_19_18
Last ObjectModification: 2015_12_26-AM-11_33_39

Theory : relations


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