Nuprl Lemma : vr_sub_eq
n,m,i:
. ((n = (m + i)) 
((n - i) = m))
Proof not projected
Definitions occuring in Statement :
all: x:A. B[x],
implies: P Q,
subtract: n - m,
add: n + m,
int: ,
equal: s = t
Definitions :
tactic: Error :tactic,
CollapseTHEN: Error :CollapseTHEN,
D: Error :D,
Auto: Error :Auto,
prop: 
,
int: ,
equal: s = t,
function: x:A 
B[x],
implies: P Q,
all: x:A. B[x],
subtract: n - m,
add: n + m,
minus: -n,
uall: [x:A]. B[x],
isect: 
x:A. B[x],
subtype_rel: A 
r B,
uiff: uiff(P;Q),
and: P 
Q,
product: x:A 
B[x],
uimplies: b supposing a,
less_than: a < b,
not: 
A,
ge: i 
j ,
le: A 
B,
strong-subtype: strong-subtype(A;B),
member: t 
T,
fpf: a:A fp-> B[a],
pair: <a, b>,
eclass: EClass(A[eo; e]),
limited-type: LimitedType,
universe: Type,
rev_implies: P 
Q,
iff: P Q
Lemmas :
rev_implies_wf,
iff_wf
\mforall{}n,m,i:\mBbbZ{}. ((n = (m + i)) {}\mRightarrow{} ((n - i) = m))
Date html generated:
2012_02_20-PM-03_32_13
Last ObjectModification:
2012_02_02-PM-01_55_05
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