Theorem.
(sv),
(sv),
(pr),
(pr),
((![]() ![]() ) (![]() ![]() )) |
( bound in ) |
( bound in ) |
(![]() ![]() ![]() ![]() ![]() ![]() ) |
| Hyp | Ref | Line | Expr |
| Hypo | 1 | ((![]() ![]() ) (![]() ![]() )) | |
| 2 | ( bound in ) | ||
| 3 | ( bound in ) | ||
| 3 | bv-¬ | 4 | ( bound in ![]() ) |
| 2 | bv-¬ | 5 | ( bound in ![]() ) |
| 1 | bi.bldnegd | 6 | ((![]() ![]() ) (![]() ![]() ![]() ![]() )) |
| 4, 5, 6 | cbval | 7 | (![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ) |
| 7 | bi.bldneg | 8 | (![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ) |
| df-ex | 9 | (![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ) | |
| df-ex | 10 | (![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ) | |
| 8, 9, 10 | <2bitr | 11 | (![]() ![]() ![]() ![]() ![]() ![]() ) |