Nuprl Lemma : assert_of_eq_int_rw
∀[x,y:ℤ].  {uiff(↑(x =z y);x = y ∈ ℤ)}
Proof
Definitions occuring in Statement : 
assert: ↑b
, 
eq_int: (i =z j)
, 
uiff: uiff(P;Q)
, 
uall: ∀[x:A]. B[x]
, 
guard: {T}
, 
int: ℤ
, 
equal: s = t ∈ T
Definitions unfolded in proof : 
guard: {T}
Lemmas referenced : 
assert_of_eq_int
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
lemma_by_obid
Latex:
\mforall{}[x,y:\mBbbZ{}].    \{uiff(\muparrow{}(x  =\msubz{}  y);x  =  y)\}
Date html generated:
2016_05_13-PM-03_56_56
Last ObjectModification:
2015_12_26-AM-10_51_57
Theory : bool_1
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