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At: formula imp right sat 1 1 2 2 1

1. hyp: Formula List
2. M: Formula List
3. N: Formula List
4. q: Formula
5. r: Formula
6. a: Assignment
7. a |= qr

a | q Fhyp.a | F a |= r FM.a |= F FN.a |= F

By:
FwdThru Thm* a:Assignment, q,r:Formula. a |= qr a | q a |= r [-1]
THEN
Analyze -1


Generated subgoals:

18. a | q
a | q Fhyp.a | F a |= r FM.a |= F FN.a |= F
28. a |= r
a | q Fhyp.a | F a |= r FM.a |= F FN.a |= F


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