This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: A group is a magma, deduction form. (Contributed by SN, 14-Apr-2025)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | grpmgmd.g | ||
| Assertion | grpmgmd |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpmgmd.g | ||
| 2 | 1 | grpmndd | |
| 3 | mndmgm | ||
| 4 | 2 3 | syl |