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| Mirrors > Home > ILE Home > Th. List > ovigg | GIF version | ||
| Description: The value of an operation class abstraction. Compare ovig 6044. The condition (𝑥 ∈ 𝑅 ∧ 𝑦 ∈ 𝑆) is been removed. (Contributed by FL, 24-Mar-2007.) (Revised by Mario Carneiro, 19-Dec-2013.) | 
| Ref | Expression | 
|---|---|
| ovigg.1 | ⊢ ((𝑥 = 𝐴 ∧ 𝑦 = 𝐵 ∧ 𝑧 = 𝐶) → (𝜑 ↔ 𝜓)) | 
| ovigg.4 | ⊢ ∃*𝑧𝜑 | 
| ovigg.5 | ⊢ 𝐹 = {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} | 
| Ref | Expression | 
|---|---|
| ovigg | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊 ∧ 𝐶 ∈ 𝑋) → (𝜓 → (𝐴𝐹𝐵) = 𝐶)) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | ovigg.1 | . . 3 ⊢ ((𝑥 = 𝐴 ∧ 𝑦 = 𝐵 ∧ 𝑧 = 𝐶) → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | eloprabga 6009 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊 ∧ 𝐶 ∈ 𝑋) → (〈〈𝐴, 𝐵〉, 𝐶〉 ∈ {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} ↔ 𝜓)) | 
| 3 | df-ov 5925 | . . . 4 ⊢ (𝐴𝐹𝐵) = (𝐹‘〈𝐴, 𝐵〉) | |
| 4 | ovigg.5 | . . . . 5 ⊢ 𝐹 = {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} | |
| 5 | 4 | fveq1i 5559 | . . . 4 ⊢ (𝐹‘〈𝐴, 𝐵〉) = ({〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑}‘〈𝐴, 𝐵〉) | 
| 6 | 3, 5 | eqtri 2217 | . . 3 ⊢ (𝐴𝐹𝐵) = ({〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑}‘〈𝐴, 𝐵〉) | 
| 7 | ovigg.4 | . . . . 5 ⊢ ∃*𝑧𝜑 | |
| 8 | 7 | funoprab 6022 | . . . 4 ⊢ Fun {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} | 
| 9 | funopfv 5600 | . . . 4 ⊢ (Fun {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} → (〈〈𝐴, 𝐵〉, 𝐶〉 ∈ {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} → ({〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑}‘〈𝐴, 𝐵〉) = 𝐶)) | |
| 10 | 8, 9 | ax-mp 5 | . . 3 ⊢ (〈〈𝐴, 𝐵〉, 𝐶〉 ∈ {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} → ({〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑}‘〈𝐴, 𝐵〉) = 𝐶) | 
| 11 | 6, 10 | eqtrid 2241 | . 2 ⊢ (〈〈𝐴, 𝐵〉, 𝐶〉 ∈ {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} → (𝐴𝐹𝐵) = 𝐶) | 
| 12 | 2, 11 | biimtrrdi 164 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊 ∧ 𝐶 ∈ 𝑋) → (𝜓 → (𝐴𝐹𝐵) = 𝐶)) | 
| Colors of variables: wff set class | 
| Syntax hints: → wi 4 ↔ wb 105 ∧ w3a 980 = wceq 1364 ∃*wmo 2046 ∈ wcel 2167 〈cop 3625 Fun wfun 5252 ‘cfv 5258 (class class class)co 5922 {coprab 5923 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-sbc 2990 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-br 4034 df-opab 4095 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-iota 5219 df-fun 5260 df-fv 5266 df-ov 5925 df-oprab 5926 | 
| This theorem is referenced by: ovig 6044 | 
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