Description: The additive identity of a monoid ring. (Contributed by Rohan Ridenour, 14-May-2024)
Ref | Expression | ||
---|---|---|---|
Hypotheses | mnring0g2d.1 | ||
mnring0g2d.2 | |||
mnring0g2d.3 | |||
mnring0g2d.4 | |||
mnring0g2d.5 | |||
Assertion | mnring0g2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mnring0g2d.1 | ||
2 | mnring0g2d.2 | ||
3 | mnring0g2d.3 | ||
4 | mnring0g2d.4 | ||
5 | mnring0g2d.5 | ||
6 | 3 | fvexi | |
7 | eqid | ||
8 | 7 2 | frlm0 | |
9 | 4 6 8 | sylancl | |
10 | 1 3 7 4 5 | mnring0gd | |
11 | 9 10 | eqtrd |