Nuprl Lemma : msep_wf

[X:Type]. ∀[d:metric(X)]. ∀[x,y:X].  (x y ∈ ℙ)


Proof




Definitions occuring in Statement :  msep: y metric: metric(X) uall: [x:A]. B[x] prop: member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T msep: y
Lemmas referenced :  rless_wf int-to-real_wf mdist_wf metric_wf istype-universe
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation_alt introduction cut sqequalRule extract_by_obid sqequalHypSubstitution isectElimination thin natural_numberEquality hypothesis hypothesisEquality axiomEquality equalityTransitivity equalitySymmetry inhabitedIsType isect_memberEquality_alt isectIsTypeImplies universeIsType instantiate universeEquality

Latex:
\mforall{}[X:Type].  \mforall{}[d:metric(X)].  \mforall{}[x,y:X].    (x  \#  y  \mmember{}  \mBbbP{})



Date html generated: 2019_10_29-AM-11_00_23
Last ObjectModification: 2019_10_02-AM-09_41_43

Theory : reals


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