Nuprl Lemma : perm_sig_wf
∀T:Type. (perm_sig(T) ∈ Type)
Proof
Definitions occuring in Statement :
perm_sig: perm_sig(T),
all: ∀x:A. B[x],
member: t ∈ T,
universe: Type
Definitions unfolded in proof :
all: ∀x:A. B[x],
member: t ∈ T,
perm_sig: perm_sig(T)
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation_alt,
cut,
sqequalRule,
productEquality,
functionEquality,
hypothesisEquality,
sqequalHypSubstitution,
hypothesis,
universeIsType,
universeEquality
Latex:
\mforall{}T:Type. (perm\_sig(T) \mmember{} Type)
Date html generated:
2019_10_16-PM-00_58_33
Last ObjectModification:
2018_10_08-AM-09_49_03
Theory : perms_1
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