Nuprl Lemma : not-is-exception-bottom
¬is-exception(⊥)
Proof
Definitions occuring in Statement :
bottom: ⊥,
is-exception: is-exception(t),
not: ¬A
Definitions unfolded in proof :
not: ¬A,
implies: P ⇒ Q,
is-exception: is-exception(t),
member: t ∈ T,
prop: ℙ,
uall: ∀[x:A]. B[x],
false: False
Lemmas referenced :
exception-not-bottom_1,
is-exception_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
sqequalHypSubstitution,
cut,
lemma_by_obid,
isectElimination,
thin,
baseClosed,
hypothesis,
voidElimination,
independent_functionElimination
Latex:
\mneg{}is-exception(\mbot{})
Date html generated:
2016_05_13-PM-03_28_40
Last ObjectModification:
2016_01_14-PM-06_41_54
Theory : arithmetic
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