Nuprl Lemma : stable__meq

∀[X:Type]. ∀[d:metric(X)]. ∀[x,y:X].  Stable{x ≡ y}


Proof




Definitions occuring in Statement :  meq: x ≡ y,  metric: metric(X),  stable: Stable{P},  uall: ∀[x:A]. B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  meq: x ≡ y,  metric: metric(X),  stable: Stable{P},  uimplies: b supposing a,  implies: P ⇒ Q
Lemmas referenced :  stable_req,  int-to-real_wf,  req_witness,  metric_wf,  istype-universe
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  applyEquality,  setElimination,  rename,  hypothesisEquality,  hypothesis,  natural_numberEquality,  sqequalRule,  isect_memberEquality_alt,  independent_functionElimination,  isectIsTypeImplies,  inhabitedIsType,  because_Cache,  universeIsType,  instantiate,  universeEquality

Latex:
\mforall{}[X:Type].  \mforall{}[d:metric(X)].  \mforall{}[x,y:X].    Stable\{x  \mequiv{}  y\}



Date html generated: 2019_10_29-AM-10_54_15
Last ObjectModification: 2019_10_02-AM-09_35_46

Theory : reals


Home Index