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Mirrors > Home > MPE Home > Th. List > breqan12d | Structured version Visualization version GIF version |
Description: Equality deduction for a binary relation. (Contributed by NM, 8-Feb-1996.) |
Ref | Expression |
---|---|
breq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
breqan12i.2 | ⊢ (𝜓 → 𝐶 = 𝐷) |
Ref | Expression |
---|---|
breqan12d | ⊢ ((𝜑 ∧ 𝜓) → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | breqan12i.2 | . 2 ⊢ (𝜓 → 𝐶 = 𝐷) | |
3 | breq12 4588 | . 2 ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐷)) | |
4 | 1, 2, 3 | syl2an 493 | 1 ⊢ ((𝜑 ∧ 𝜓) → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 = wceq 1475 class class class wbr 4583 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-br 4584 |
This theorem is referenced by: breqan12rd 4600 soisores 6477 isoid 6479 isores3 6485 isoini2 6489 ofrfval 6803 fnwelem 7179 fnse 7181 wemaplem1 8334 r0weon 8718 sornom 8982 enqbreq2 9621 nqereu 9630 ordpinq 9644 lterpq 9671 ltresr2 9841 axpre-ltadd 9867 leltadd 10391 lemul1a 10756 negiso 10880 xltneg 11922 lt2sq 12799 le2sq 12800 sqrtle 13849 prdsleval 15960 efgcpbllema 17990 iducn 21897 icopnfhmeo 22550 iccpnfhmeo 22552 xrhmeo 22553 reefiso 24006 sinord 24084 logltb 24150 logccv 24209 atanord 24454 birthdaylem3 24480 lgsquadlem3 24907 mddmd 28544 xrge0iifiso 29309 erdszelem4 30430 erdszelem8 30434 cgrextend 31285 matunitlindf 32577 idlaut 34400 monotuz 36524 monotoddzzfi 36525 expmordi 36530 wepwsolem 36630 fnwe2val 36637 aomclem8 36649 |
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