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Description: Properties that determine a commutative monoid. (Contributed by Mario Carneiro, 7-Jan-2015)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | iscmnd.b | ||
| iscmnd.p | |||
| iscmnd.g | |||
| iscmnd.c | |||
| Assertion | iscmnd |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iscmnd.b | ||
| 2 | iscmnd.p | ||
| 3 | iscmnd.g | ||
| 4 | iscmnd.c | ||
| 5 | 4 | 3expib | |
| 6 | 5 | ralrimivv | |
| 7 | 2 | oveqd | |
| 8 | 2 | oveqd | |
| 9 | 7 8 | eqeq12d | |
| 10 | 1 9 | raleqbidv | |
| 11 | 1 10 | raleqbidv | |
| 12 | 11 | anbi2d | |
| 13 | 3 6 12 | mpbi2and | |
| 14 | eqid | ||
| 15 | eqid | ||
| 16 | 14 15 | iscmn | |
| 17 | 13 16 | sylibr |