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| Mirrors > Home > MPE Home > Th. List > 3brtr4i | Structured version Visualization version GIF version | ||
| Description: Substitution of equality into both sides of a binary relation. (Contributed by NM, 11-Aug-1999.) |
| Ref | Expression |
|---|---|
| 3brtr4.1 | ⊢ 𝐴𝑅𝐵 |
| 3brtr4.2 | ⊢ 𝐶 = 𝐴 |
| 3brtr4.3 | ⊢ 𝐷 = 𝐵 |
| Ref | Expression |
|---|---|
| 3brtr4i | ⊢ 𝐶𝑅𝐷 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3brtr4.2 | . . 3 ⊢ 𝐶 = 𝐴 | |
| 2 | 3brtr4.1 | . . 3 ⊢ 𝐴𝑅𝐵 | |
| 3 | 1, 2 | eqbrtri 5125 | . 2 ⊢ 𝐶𝑅𝐵 |
| 4 | 3brtr4.3 | . 2 ⊢ 𝐷 = 𝐵 | |
| 5 | 3, 4 | breqtrri 5131 | 1 ⊢ 𝐶𝑅𝐷 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 class class class wbr 5102 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 |
| This theorem is used by: 1lt2nq 11065 0lt1sr 11187 declt 12854 decltc 12855 decle 12860 fzennn 14118 faclbnd4lem1 14444 fsumabs 15977 basendxltplusgndx 17466 basendxlttsetndx 17535 basendxltplendx 17549 basendxltdsndx 17568 basendxltunifndx 17578 ovolfiniun 25831 log2ublem3 27285 log2ub 27286 bclbnd 27616 bposlem8 27627 basendxltedgfndx 29581 nmblolbii 31410 normlem6 31726 norm-ii-i 31748 nmbdoplbi 32635 dp2lt 33501 dp2ltsuc 33502 dp2ltc 33503 dplt 33520 dpltc 33523 dpmul4 33530 hgt750lemd 35327 hgt750lem 35330 supxrltinfxr 46595 goldratval 48072 nnsum4primesevenALTV 49035 |
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