At: formula and left sat 1 1 1 1 1
1. concl: Formula List
2. M: Formula List
3. N: Formula List
4. q: Formula
5. r: Formula
6. a: Assignment
7. a |
q
F
M.a | F 
a | q a | r FN.a | F Fconcl.a |= F
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Choose [1;2;1;1]
THEN
Trivial
Generated subgoals:None
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