| Mathbox for Alexander van der Vekens |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > aovvoveq | Structured version Visualization version GIF version | ||
| Description: The alternative value of the operation on an ordered pair equals the operation's value on this ordered pair. (Contributed by Alexander van der Vekens, 26-May-2017.) |
| Ref | Expression |
|---|---|
| aovvoveq | ⊢ ( ((𝐴𝐹𝐵)) ∈ 𝐶 → ((𝐴𝐹𝐵)) = (𝐴𝐹𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-aov 47782 | . . 3 ⊢ ((𝐴𝐹𝐵)) = (𝐹'''〈𝐴, 𝐵〉) | |
| 2 | 1 | eleq1i 2860 | . 2 ⊢ ( ((𝐴𝐹𝐵)) ∈ 𝐶 ↔ (𝐹'''〈𝐴, 𝐵〉) ∈ 𝐶) |
| 3 | afvvfveq 47809 | . . 3 ⊢ ((𝐹'''〈𝐴, 𝐵〉) ∈ 𝐶 → (𝐹'''〈𝐴, 𝐵〉) = (𝐹‘〈𝐴, 𝐵〉)) | |
| 4 | df-ov 7414 | . . 3 ⊢ (𝐴𝐹𝐵) = (𝐹‘〈𝐴, 𝐵〉) | |
| 5 | 3, 1, 4 | 3eqtr4g 2829 | . 2 ⊢ ((𝐹'''〈𝐴, 𝐵〉) ∈ 𝐶 → ((𝐴𝐹𝐵)) = (𝐴𝐹𝐵)) |
| 6 | 2, 5 | sylbi 220 | 1 ⊢ ( ((𝐴𝐹𝐵)) ∈ 𝐶 → ((𝐴𝐹𝐵)) = (𝐴𝐹𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 〈cop 4598 ‘cfv 6537 (class class class)co 7411 '''cafv 47778 ((caov 47779 |
| 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-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5259 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-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3423 df-v 3463 df-sbc 3752 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4293 df-if 4491 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-int 4915 df-br 5112 df-opab 5176 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 df-ov 7414 df-aiota 47746 df-dfat 47780 df-afv 47781 df-aov 47782 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |