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Mirrors > Home > MPE Home > Th. List > eqtr2i | Structured version Visualization version GIF version |
Description: An equality transitivity inference. (Contributed by NM, 21-Feb-1995.) |
Ref | Expression |
---|---|
eqtr2i.1 | ⊢ 𝐴 = 𝐵 |
eqtr2i.2 | ⊢ 𝐵 = 𝐶 |
Ref | Expression |
---|---|
eqtr2i | ⊢ 𝐶 = 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqtr2i.1 | . . 3 ⊢ 𝐴 = 𝐵 | |
2 | eqtr2i.2 | . . 3 ⊢ 𝐵 = 𝐶 | |
3 | 1, 2 | eqtri 2766 | . 2 ⊢ 𝐴 = 𝐶 |
4 | 3 | eqcomi 2747 | 1 ⊢ 𝐶 = 𝐴 |
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