At: formula or left sound112122 1. concl: Formula List 2. M: Formula List 3. N: Formula List 4. q: Formula 5. r: Formula 6. a: Full( < M @ (qr.N),concl > ) 7. a |= < r.(M @ N),concl > 8. F(M @ N).a | F
FM.a | F a | q & a | r FN.a | F Fconcl.a |= F By: FwdThru
Thm*P:(TProp), L,M:T List.
x(L @ M).P(x) xL.P(x) xM.P(x)
[-1] Generated subgoal: