Nuprl Lemma : nat_plus_properties
13,42
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i
:
. 0 <
i
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Up
int
1
,
int
1
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
Lemmas
nat
plus
wf
origin
i:
. 0 < i i:. 0 < i 
Tx:A. B(x)