At: formula or right sat 1 1 1 3
1. hyp: Formula List
2. M: Formula List
3. N: Formula List
4. q: Formula
5. r: Formula
6. a: Assignment
7. a |= r
F
hyp.a |
F 
FM.a |= F a |= q a |= r FN.a |= F
By:
Choose [2;2;1;2]
THEN
Trivial
Generated subgoals:None
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