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At: formula or right sound 1 1 1 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 |= < hyp,M @ (qr.N) >

a |= < hyp,[q; r/ M @ N] > a | < hyp,[q; r/ M @ N] >

By: FwdThru Thm* hyp,M,N:Formula List, q,r:Formula, a:Assignment. a |= < hyp,[q; r/ M @ N] > a |= < hyp,M @ (qr.N) > [-1]

Generated subgoal:

18. a |= < hyp,[q; r/ M @ N] >
a |= < hyp,[q; r/ M @ N] > a | < hyp,[q; r/ M @ N] >


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