Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > eleqtrri | Structured version Visualization version Unicode version |
Description: Substitution of equal classes into membership relation. (Contributed by NM, 15-Jul-1993.) |
Ref | Expression |
---|---|
eleqtrr.1 | |
eleqtrr.2 |
Ref | Expression |
---|---|
eleqtrri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eleqtrr.1 | . 2 | |
2 | eleqtrr.2 | . . 3 | |
3 | 2 | eqcomi 2631 | . 2 |
4 | 1, 3 | eleqtri 2699 | 1 |
Copyright terms: Public domain | W3C validator |