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Mirrors > Home > MPE Home > Th. List > syl5breq | Structured version Visualization version GIF version |
Description: A chained equality inference for a binary relation. (Contributed by NM, 11-Oct-1999.) |
Ref | Expression |
---|---|
syl5breq.1 | ⊢ 𝐴𝑅𝐵 |
syl5breq.2 | ⊢ (𝜑 → 𝐵 = 𝐶) |
Ref | Expression |
---|---|
syl5breq | ⊢ (𝜑 → 𝐴𝑅𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl5breq.1 | . . 3 ⊢ 𝐴𝑅𝐵 | |
2 | 1 | a1i 11 | . 2 ⊢ (𝜑 → 𝐴𝑅𝐵) |
3 | syl5breq.2 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) | |
4 | 2, 3 | breqtrd 4679 | 1 ⊢ (𝜑 → 𝐴𝑅𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1483 class class class wbr 4653 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 |
This theorem is referenced by: syl5breqr 4691 phplem3 8141 xlemul1a 12118 phicl2 15473 sinq12ge0 24260 siilem1 27706 nmbdfnlbi 28908 nmcfnlbi 28911 unierri 28963 leoprf2 28986 leoprf 28987 ballotlemic 30568 ballotlem1c 30569 sumnnodd 39862 |
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