Theorem.
(sv),
(pr),
(sv),
(
,
),
( bound in ) |
(![]() ![]() ![]() (![]() ![]() ![]() ![]() ![]() ![]() ![]() (![]() (![]() ![]() )))) |
| Hyp | Ref | Line | Expr |
| Hypo | 1 | ( bound in ) | |
| 1 | df-∃1-alt2 | 2 | (![]() ![]() ![]() (![]() ![]() ![]() ![]() ![]() ![]() ![]() ((![]() [ / ] ) (![]() ![]() )))) |
| 1 | df-∃mo-alt0 | 3 | (![]() ![]() ![]() (![]() (![]() ![]() ))![]() ![]() ![]() ![]() ((![]() [ / ] ) (![]() ![]() ))) |
| 3 | bi.bldan> | 4 | ((![]() ![]() ![]() ![]() ![]() ![]() ![]() (![]() (![]() ![]() ))) (![]() ![]() ![]() ![]() ![]() ![]() ![]() ((![]() [ / ] ) (![]() ![]() )))) |
| 2, 4 | ><bitr | 5 | (![]() ![]() ![]() (![]() ![]() ![]() ![]() ![]() ![]() ![]() (![]() (![]() ![]() )))) |