Nuprl Lemma : add-wf
∀[x,y:ℤ]. (x + y ∈ ℤ)
Proof
Definitions occuring in Statement :
uall: ∀[x:A]. B[x],
member: t ∈ T,
add: n + m,
int: ℤ
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
addEquality,
hypothesisEquality,
sqequalHypSubstitution,
hypothesis,
sqequalRule,
axiomEquality,
equalityTransitivity,
equalitySymmetry,
intEquality,
isect_memberEquality,
isectElimination,
thin,
because_Cache
Latex:
\mforall{}[x,y:\mBbbZ{}]. (x + y \mmember{} \mBbbZ{})
Date html generated:
2016_05_13-PM-03_07_03
Last ObjectModification:
2016_01_06-PM-05_28_45
Theory : core_2
Home
Index