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| Mirrors > Home > MPE Home > Th. List > fvpr1 | Structured version Visualization version GIF version | ||
| Description: The value of a function with a domain of two elements. (Contributed by Jeff Madsen, 20-Jun-2010.) (Proof shortened by BJ, 26-Sep-2024.) |
| Ref | Expression |
|---|---|
| fvpr1.1 | ⊢ 𝐴 ∈ V |
| fvpr1.2 | ⊢ 𝐶 ∈ V |
| Ref | Expression |
|---|---|
| fvpr1 | ⊢ (𝐴 ≠ 𝐵 → ({〈𝐴, 𝐶〉, 〈𝐵, 𝐷〉}‘𝐴) = 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvpr1.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | fvpr1.2 | . 2 ⊢ 𝐶 ∈ V | |
| 3 | fvpr1g 7189 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐶 ∈ V ∧ 𝐴 ≠ 𝐵) → ({〈𝐴, 𝐶〉, 〈𝐵, 𝐷〉}‘𝐴) = 𝐶) | |
| 4 | 1, 2, 3 | mp3an12 1477 | 1 ⊢ (𝐴 ≠ 𝐵 → ({〈𝐴, 𝐶〉, 〈𝐵, 𝐷〉}‘𝐴) = 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 ≠ wne 2964 Vcvv 3463 {cpr 4596 〈cop 4600 ‘cfv 6537 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pr 5405 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-res 5674 df-iota 6493 df-fun 6539 df-fv 6545 |
| This theorem is referenced by: fprb 7193 fvtp1 7194 fnprb 7207 m2detleiblem3 22754 m2detleiblem4 22755 axlowdimlem6 29237 umgr2v2evd2 29817 bj-endbase 37847 poimirlem22 38180 nnsum3primes4 48441 nnsum3primesgbe 48445 zlmodzxzldeplem3 49166 zlmodzxzldeplem4 49167 2arymaptfo 49318 prelrrx2b 49378 rrx2plordisom 49387 ehl2eudisval0 49389 line2 49416 itscnhlinecirc02p 49449 |
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