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| Mirrors > Home > ILE Home > Th. List > ovigg | GIF version | ||
| Description: The value of an operation class abstraction. Compare ovig 6077. 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 6042 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊 ∧ 𝐶 ∈ 𝑋) → (〈〈𝐴, 𝐵〉, 𝐶〉 ∈ {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} ↔ 𝜓)) |
| 3 | df-ov 5957 | . . . 4 ⊢ (𝐴𝐹𝐵) = (𝐹‘〈𝐴, 𝐵〉) | |
| 4 | ovigg.5 | . . . . 5 ⊢ 𝐹 = {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} | |
| 5 | 4 | fveq1i 5587 | . . . 4 ⊢ (𝐹‘〈𝐴, 𝐵〉) = ({〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑}‘〈𝐴, 𝐵〉) |
| 6 | 3, 5 | eqtri 2227 | . . 3 ⊢ (𝐴𝐹𝐵) = ({〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑}‘〈𝐴, 𝐵〉) |
| 7 | ovigg.4 | . . . . 5 ⊢ ∃*𝑧𝜑 | |
| 8 | 7 | funoprab 6055 | . . . 4 ⊢ Fun {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ 𝜑} |
| 9 | funopfv 5628 | . . . 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 2251 | . 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 981 = wceq 1373 ∃*wmo 2056 ∈ wcel 2177 〈cop 3638 Fun wfun 5271 ‘cfv 5277 (class class class)co 5954 {coprab 5955 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-14 2180 ax-ext 2188 ax-sep 4167 ax-pow 4223 ax-pr 4258 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-v 2775 df-sbc 3001 df-un 3172 df-in 3174 df-ss 3181 df-pw 3620 df-sn 3641 df-pr 3642 df-op 3644 df-uni 3854 df-br 4049 df-opab 4111 df-id 4345 df-xp 4686 df-rel 4687 df-cnv 4688 df-co 4689 df-dm 4690 df-iota 5238 df-fun 5279 df-fv 5285 df-ov 5957 df-oprab 5958 |
| This theorem is referenced by: ovig 6077 |
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