Level: Lib Thy Top:
Hypotheses:

None

Conclusion:

hyp,M,N:Formula List. f2:Formula. |= <f2::hyp, M @ N> |= <hyp, M @ (f2::N)>

Applied Tactic: UnivCD THENA Auto
Generated subgoals:

1. |= <hyp, M @ (f2::N)>