This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: Factor out the proof skeleton of moexex and moexexvw . (Contributed by Wolf Lammen, 2-Oct-2023)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | moexexlem.1 | ||
| moexexlem.2 | |||
| moexexlem.3 | |||
| Assertion | moexexlem |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | moexexlem.1 | ||
| 2 | moexexlem.2 | ||
| 3 | moexexlem.3 | ||
| 4 | nfmo1 | ||
| 5 | nfa1 | ||
| 6 | 5 3 | nfim | |
| 7 | mopick | ||
| 8 | 7 | ex | |
| 9 | 8 | com23 | |
| 10 | 2 1 9 | alrimd | |
| 11 | moim | ||
| 12 | 11 | spsd | |
| 13 | 10 12 | syl6 | |
| 14 | 4 6 13 | exlimd | |
| 15 | 1 | nfex | |
| 16 | exsimpl | ||
| 17 | 15 16 | exlimi | |
| 18 | nexmo | ||
| 19 | 17 18 | nsyl5 | |
| 20 | 19 | a1d | |
| 21 | 14 20 | pm2.61d1 | |
| 22 | 21 | imp |