Step of Proof: sq_stable__implies
9,38
postcript
pdf
Inference at
*
1
I
of proof for Lemma
sq
stable
implies
:
1.
P
:
2.
Q
:
3. (
Q
)
Q
4.
(
P
Q
)
5.
P
Q
latex
by HypBackchain
latex
1
:
1:
Q
.
Definitions
P
Q
origin
Q) 
Q
(P Q)
Q
by HypBackchain
1:
1: Q
.
Q) Q
(P Q)
Q
by HypBackchain
1:
1: Q
. Q