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Theorem ovmpt2dxf 7020
Description: Value of an operation given by a maps-to rule, deduction form. (Contributed by Mario Carneiro, 29-Dec-2014.)
Hypotheses
Ref Expression
ovmpt2dx.1 (𝜑𝐹 = (𝑥𝐶, 𝑦𝐷𝑅))
ovmpt2dx.2 ((𝜑 ∧ (𝑥 = 𝐴𝑦 = 𝐵)) → 𝑅 = 𝑆)
ovmpt2dx.3 ((𝜑𝑥 = 𝐴) → 𝐷 = 𝐿)
ovmpt2dx.4 (𝜑𝐴𝐶)
ovmpt2dx.5 (𝜑𝐵𝐿)
ovmpt2dx.6 (𝜑𝑆𝑋)
ovmpt2dxf.px 𝑥𝜑
ovmpt2dxf.py 𝑦𝜑
ovmpt2dxf.ay 𝑦𝐴
ovmpt2dxf.bx 𝑥𝐵
ovmpt2dxf.sx 𝑥𝑆
ovmpt2dxf.sy 𝑦𝑆
Assertion
Ref Expression
ovmpt2dxf (𝜑 → (𝐴𝐹𝐵) = 𝑆)
Distinct variable groups:   𝑥,𝑦   𝑥,𝐴   𝑦,𝐵
Allowed substitution hints:   𝜑(𝑥,𝑦)   𝐴(𝑦)   𝐵(𝑥)   𝐶(𝑥,𝑦)   𝐷(𝑥,𝑦)   𝑅(𝑥,𝑦)   𝑆(𝑥,𝑦)   𝐹(𝑥,𝑦)   𝐿(𝑥,𝑦)   𝑋(𝑥,𝑦)

Proof of Theorem ovmpt2dxf
StepHypRef Expression
1 ovmpt2dx.1 . . 3 (𝜑𝐹 = (𝑥𝐶, 𝑦𝐷𝑅))
21oveqd 6895 . 2 (𝜑 → (𝐴𝐹𝐵) = (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵))
3 ovmpt2dx.4 . . . 4 (𝜑𝐴𝐶)
4 ovmpt2dxf.px . . . . 5 𝑥𝜑
5 ovmpt2dx.5 . . . . . 6 (𝜑𝐵𝐿)
6 ovmpt2dxf.py . . . . . . 7 𝑦𝜑
7 eqid 2799 . . . . . . . . 9 (𝑥𝐶, 𝑦𝐷𝑅) = (𝑥𝐶, 𝑦𝐷𝑅)
87ovmpt4g 7017 . . . . . . . 8 ((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅)
98a1i 11 . . . . . . 7 (𝜑 → ((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅))
106, 9alrimi 2248 . . . . . 6 (𝜑 → ∀𝑦((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅))
115, 10spsbcd 3647 . . . . 5 (𝜑[𝐵 / 𝑦]((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅))
124, 11alrimi 2248 . . . 4 (𝜑 → ∀𝑥[𝐵 / 𝑦]((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅))
133, 12spsbcd 3647 . . 3 (𝜑[𝐴 / 𝑥][𝐵 / 𝑦]((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅))
145adantr 473 . . . . 5 ((𝜑𝑥 = 𝐴) → 𝐵𝐿)
15 simplr 786 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑥 = 𝐴)
163ad2antrr 718 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝐴𝐶)
1715, 16eqeltrd 2878 . . . . . . 7 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑥𝐶)
185ad2antrr 718 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝐵𝐿)
19 simpr 478 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑦 = 𝐵)
20 ovmpt2dx.3 . . . . . . . . 9 ((𝜑𝑥 = 𝐴) → 𝐷 = 𝐿)
2120adantr 473 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝐷 = 𝐿)
2218, 19, 213eltr4d 2893 . . . . . . 7 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑦𝐷)
23 ovmpt2dx.2 . . . . . . . . 9 ((𝜑 ∧ (𝑥 = 𝐴𝑦 = 𝐵)) → 𝑅 = 𝑆)
2423anassrs 460 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑅 = 𝑆)
25 ovmpt2dx.6 . . . . . . . . . 10 (𝜑𝑆𝑋)
26 elex 3400 . . . . . . . . . 10 (𝑆𝑋𝑆 ∈ V)
2725, 26syl 17 . . . . . . . . 9 (𝜑𝑆 ∈ V)
2827ad2antrr 718 . . . . . . . 8 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑆 ∈ V)
2924, 28eqeltrd 2878 . . . . . . 7 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → 𝑅 ∈ V)
30 biimt 352 . . . . . . 7 ((𝑥𝐶𝑦𝐷𝑅 ∈ V) → ((𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅 ↔ ((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅)))
3117, 22, 29, 30syl3anc 1491 . . . . . 6 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → ((𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅 ↔ ((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅)))
3215, 19oveq12d 6896 . . . . . . 7 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵))
3332, 24eqeq12d 2814 . . . . . 6 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → ((𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅 ↔ (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆))
3431, 33bitr3d 273 . . . . 5 (((𝜑𝑥 = 𝐴) ∧ 𝑦 = 𝐵) → (((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅) ↔ (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆))
35 ovmpt2dxf.ay . . . . . . 7 𝑦𝐴
3635nfeq2 2957 . . . . . 6 𝑦 𝑥 = 𝐴
376, 36nfan 1999 . . . . 5 𝑦(𝜑𝑥 = 𝐴)
38 nfmpt22 6957 . . . . . . . 8 𝑦(𝑥𝐶, 𝑦𝐷𝑅)
39 nfcv 2941 . . . . . . . 8 𝑦𝐵
4035, 38, 39nfov 6908 . . . . . . 7 𝑦(𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵)
41 ovmpt2dxf.sy . . . . . . 7 𝑦𝑆
4240, 41nfeq 2953 . . . . . 6 𝑦(𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆
4342a1i 11 . . . . 5 ((𝜑𝑥 = 𝐴) → Ⅎ𝑦(𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆)
4414, 34, 37, 43sbciedf 3669 . . . 4 ((𝜑𝑥 = 𝐴) → ([𝐵 / 𝑦]((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅) ↔ (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆))
45 nfcv 2941 . . . . . . 7 𝑥𝐴
46 nfmpt21 6956 . . . . . . 7 𝑥(𝑥𝐶, 𝑦𝐷𝑅)
47 ovmpt2dxf.bx . . . . . . 7 𝑥𝐵
4845, 46, 47nfov 6908 . . . . . 6 𝑥(𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵)
49 ovmpt2dxf.sx . . . . . 6 𝑥𝑆
5048, 49nfeq 2953 . . . . 5 𝑥(𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆
5150a1i 11 . . . 4 (𝜑 → Ⅎ𝑥(𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆)
523, 44, 4, 51sbciedf 3669 . . 3 (𝜑 → ([𝐴 / 𝑥][𝐵 / 𝑦]((𝑥𝐶𝑦𝐷𝑅 ∈ V) → (𝑥(𝑥𝐶, 𝑦𝐷𝑅)𝑦) = 𝑅) ↔ (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆))
5313, 52mpbid 224 . 2 (𝜑 → (𝐴(𝑥𝐶, 𝑦𝐷𝑅)𝐵) = 𝑆)
542, 53eqtrd 2833 1 (𝜑 → (𝐴𝐹𝐵) = 𝑆)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 198  wa 385  w3a 1108   = wceq 1653  wnf 1879  wcel 2157  wnfc 2928  Vcvv 3385  [wsbc 3633  (class class class)co 6878  cmpt2 6880
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1891  ax-4 1905  ax-5 2006  ax-6 2072  ax-7 2107  ax-9 2166  ax-10 2185  ax-11 2200  ax-12 2213  ax-13 2377  ax-ext 2777  ax-sep 4975  ax-nul 4983  ax-pr 5097
This theorem depends on definitions:  df-bi 199  df-an 386  df-or 875  df-3an 1110  df-tru 1657  df-ex 1876  df-nf 1880  df-sb 2065  df-mo 2591  df-eu 2609  df-clab 2786  df-cleq 2792  df-clel 2795  df-nfc 2930  df-ral 3094  df-rex 3095  df-rab 3098  df-v 3387  df-sbc 3634  df-dif 3772  df-un 3774  df-in 3776  df-ss 3783  df-nul 4116  df-if 4278  df-sn 4369  df-pr 4371  df-op 4375  df-uni 4629  df-br 4844  df-opab 4906  df-id 5220  df-xp 5318  df-rel 5319  df-cnv 5320  df-co 5321  df-dm 5322  df-iota 6064  df-fun 6103  df-fv 6109  df-ov 6881  df-oprab 6882  df-mpt2 6883
This theorem is referenced by:  ovmpt2dx  7021  elovmpt2rab  7114  elovmpt2rab1  7115  ovmpt3rab1  7125  mpt2xopoveq  7583  fvmpt2curryd  7635  mdetralt2  20741  mdetunilem2  20745  gsummatr01lem4  20791
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