Nuprl Rule : sqequalExtensionalEquality
This rule proved as lemma rule_cequiv_extensional_equality_true in file rules/rules_squiggle4.v
at https://github.com/vrahli/NuprlInCoq
H ⊢ (a ~ b) = (c ~ d) ∈ Type
BY sqequalExtensionalEquality ()
H ⊢ ↓a ~ b ⇐⇒ c ~ d
Definitions occuring in rule :
equal: s = t ∈ T,
universe: Type,
squash: ↓T,
iff: P ⇐⇒ Q,
sqequal: s ~ t,
axiom: Ax
Latex:
H \mvdash{} (a \msim{} b) = (c \msim{} d)
BY sqequalExtensionalEquality ()
H \mvdash{} \mdownarrow{}a \msim{} b \mLeftarrow{}{}\mRightarrow{} c \msim{} d
Date html generated:
2019_06_20-PM-04_12_09
Last ObjectModification:
2016_07_08-PM-03_48_47
Theory : rules
Home
Index