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| Mirrors > Home > MPE Home > Th. List > mptmpoopabovd | Structured version Visualization version GIF version | ||
| Description: The operation value of a function value of a collection of ordered pairs of related elements. (Contributed by Alexander van der Vekens, 8-Nov-2017.) (Revised by AV, 15-Jan-2021.) Add disjoint variable condition on 𝐷, 𝑓, ℎ to remove hypotheses. (Revised by SN, 13-Dec-2024.) |
| Ref | Expression |
|---|---|
| mptmpoopabbrd.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| mptmpoopabbrd.x | ⊢ (𝜑 → 𝑋 ∈ (𝐴‘𝐺)) |
| mptmpoopabbrd.y | ⊢ (𝜑 → 𝑌 ∈ (𝐵‘𝐺)) |
| mptmpoopabovd.m | ⊢ 𝑀 = (𝑔 ∈ V ↦ (𝑎 ∈ (𝐴‘𝑔), 𝑏 ∈ (𝐵‘𝑔) ↦ {〈𝑓, ℎ〉 ∣ (𝑓(𝑎(𝐶‘𝑔)𝑏)ℎ ∧ 𝑓(𝐷‘𝑔)ℎ)})) |
| Ref | Expression |
|---|---|
| mptmpoopabovd | ⊢ (𝜑 → (𝑋(𝑀‘𝐺)𝑌) = {〈𝑓, ℎ〉 ∣ (𝑓(𝑋(𝐶‘𝐺)𝑌)ℎ ∧ 𝑓(𝐷‘𝐺)ℎ)}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mptmpoopabbrd.g | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 2 | mptmpoopabbrd.x | . 2 ⊢ (𝜑 → 𝑋 ∈ (𝐴‘𝐺)) | |
| 3 | mptmpoopabbrd.y | . 2 ⊢ (𝜑 → 𝑌 ∈ (𝐵‘𝐺)) | |
| 4 | oveq12 7455 | . . 3 ⊢ ((𝑎 = 𝑋 ∧ 𝑏 = 𝑌) → (𝑎(𝐶‘𝐺)𝑏) = (𝑋(𝐶‘𝐺)𝑌)) | |
| 5 | 4 | breqd 5117 | . 2 ⊢ ((𝑎 = 𝑋 ∧ 𝑏 = 𝑌) → (𝑓(𝑎(𝐶‘𝐺)𝑏)ℎ ↔ 𝑓(𝑋(𝐶‘𝐺)𝑌)ℎ)) |
| 6 | fveq2 6911 | . . . 4 ⊢ (𝑔 = 𝐺 → (𝐶‘𝑔) = (𝐶‘𝐺)) | |
| 7 | 6 | oveqd 7463 | . . 3 ⊢ (𝑔 = 𝐺 → (𝑎(𝐶‘𝑔)𝑏) = (𝑎(𝐶‘𝐺)𝑏)) |
| 8 | 7 | breqd 5117 | . 2 ⊢ (𝑔 = 𝐺 → (𝑓(𝑎(𝐶‘𝑔)𝑏)ℎ ↔ 𝑓(𝑎(𝐶‘𝐺)𝑏)ℎ)) |
| 9 | mptmpoopabovd.m | . 2 ⊢ 𝑀 = (𝑔 ∈ V ↦ (𝑎 ∈ (𝐴‘𝑔), 𝑏 ∈ (𝐵‘𝑔) ↦ {〈𝑓, ℎ〉 ∣ (𝑓(𝑎(𝐶‘𝑔)𝑏)ℎ ∧ 𝑓(𝐷‘𝑔)ℎ)})) | |
| 10 | 1, 2, 3, 5, 8, 9 | mptmpoopabbrd 8122 | 1 ⊢ (𝜑 → (𝑋(𝑀‘𝐺)𝑌) = {〈𝑓, ℎ〉 ∣ (𝑓(𝑋(𝐶‘𝐺)𝑌)ℎ ∧ 𝑓(𝐷‘𝐺)ℎ)}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 Vcvv 3454 class class class wbr 5106 {copab 5171 ↦ cmpt 5190 ‘cfv 6561 (class class class)co 7446 ∈ cmpo 7448 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-fv 6569 df-ov 7449 df-oprab 7450 df-mpo 7451 df-1st 8028 df-2nd 8029 |
| This theorem is used by: wksonproplem 30320 trlsonfval 30321 pthsonfval 30359 spthson 30360 |
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