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Definitions
sequent
rank
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ClassicalProps(jlc)
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list
exists
rank
gt
0
rank
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1.
u:
Formula
2.
v:
Formula List
3.
concl:
Formula List
4.
f
v.(
(f) > 0)
False
(v)+0 = 0
5.
(
(u) > 0
f
v.(
(f) > 0))
6.
False
7.
(
(u) > 0
f
v.(
(f) > 0))
(u) > 0 &
f
v.(
(f) > 0)
8.
(u) > 0
9.
f
v.(
(f) > 0)
(u)+
(v)+0 = 0
By:
FwdThru 4 [-1]
Generated subgoal:
1
10.
(v)+0 = 0
(u)+
(v)+0 = 0
About:
(v)+0 = 0
(u)+(v)+0 = 0
f
v.((f) > 0) 
False (v)+0 = 0((u) > 0 
fv.((f) > 0))False((u) > 0 fv.((f) > 0)) 
(u) > 0 & fv.((f) > 0)(u) > 0fv.((f) > 0) (u)+(v)+0 = 0(v)+0 = 0 (u)+(v)+0 = 0
