Nuprl Lemma : sg-pos_wf
∀[g:SimpleGame]. (Pos(g) ∈ Type)
Proof
Definitions occuring in Statement :
sg-pos: Pos(g),
simple-game: SimpleGame,
uall: ∀[x:A]. B[x],
member: t ∈ T,
universe: Type
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
sg-pos: Pos(g),
simple-game: SimpleGame,
pi1: fst(t)
Lemmas referenced :
simple-game_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
sqequalRule,
sqequalHypSubstitution,
productElimination,
thin,
cumulativity,
hypothesisEquality,
hypothesis,
axiomEquality,
equalityTransitivity,
equalitySymmetry,
extract_by_obid
Latex:
\mforall{}[g:SimpleGame]. (Pos(g) \mmember{} Type)
Date html generated:
2018_07_25-PM-01_30_59
Last ObjectModification:
2018_06_06-AM-10_43_57
Theory : co-recursion
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