Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > breqtrrdi | Structured version Visualization version GIF version |
Description: A chained equality inference for a binary relation. (Contributed by NM, 24-Apr-2005.) |
Ref | Expression |
---|---|
breqtrrdi.1 | ⊢ (𝜑 → 𝐴𝑅𝐵) |
breqtrrdi.2 | ⊢ 𝐶 = 𝐵 |
Ref | Expression |
---|---|
breqtrrdi | ⊢ (𝜑 → 𝐴𝑅𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breqtrrdi.1 | . 2 ⊢ (𝜑 → 𝐴𝑅𝐵) | |
2 | breqtrrdi.2 | . . 3 ⊢ 𝐶 = 𝐵 | |
3 | 2 | eqcomi 2747 | . 2 ⊢ 𝐵 = 𝐶 |
4 | 1, 3 | breqtrdi 5111 | 1 ⊢ (𝜑 → 𝐴𝑅𝐶) |
Copyright terms: Public domain | W3C validator |