This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: Multiplication of a number and its reciprocal. (Contributed by SN, 25-Nov-2025)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | sn-rereccld.a | ||
| sn-rereccld.z | |||
| Assertion | rerecid2d | Could not format assertion : No typesetting found for |- ( ph -> ( ( 1 /R A ) x. A ) = 1 ) with typecode |- |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sn-rereccld.a | ||
| 2 | sn-rereccld.z | ||
| 3 | 1 2 | sn-rereccld | Could not format ( ph -> ( 1 /R A ) e. RR ) : No typesetting found for |- ( ph -> ( 1 /R A ) e. RR ) with typecode |- |
| 4 | 1 2 | rerecidd | Could not format ( ph -> ( A x. ( 1 /R A ) ) = 1 ) : No typesetting found for |- ( ph -> ( A x. ( 1 /R A ) ) = 1 ) with typecode |- |
| 5 | 1 3 4 | remulinvcom | Could not format ( ph -> ( ( 1 /R A ) x. A ) = 1 ) : No typesetting found for |- ( ph -> ( ( 1 /R A ) x. A ) = 1 ) with typecode |- |