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At: lang compl functionality


Alph:Type, L,L':LangOver(Alph). L = L' (L) = (L')

By:
Unfold `languages` 0
THEN
Unfold `lang_compl` 0
THEN
Unfold `lang_eq` 0
THEN
UnivCD
THEN
Reduce 0


Generated subgoal:

11. Alph: Type
2. L: Alph*Prop
3. L': Alph*Prop
4. l:Alph*. L(l) L'(l)
5. l: Alph*
L(l) L'(l)


About:
alluniverseimpliesapply