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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 2arymaptfv | Structured version Visualization version GIF version | ||
| Description: The value of the mapping of binary (endo)functions. (Contributed by AV, 21-May-2024.) |
| Ref | Expression |
|---|---|
| 2arymaptf.h | ⊢ 𝐻 = (ℎ ∈ (2-aryF 𝑋) ↦ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉}))) |
| Ref | Expression |
|---|---|
| 2arymaptfv | ⊢ (𝐹 ∈ (2-aryF 𝑋) → (𝐻‘𝐹) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉, 〈1, 𝑦〉}))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1 6915 | . . 3 ⊢ (ℎ = 𝐹 → (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉}) = (𝐹‘{〈0, 𝑥〉, 〈1, 𝑦〉})) | |
| 2 | 1 | mpoeq3dv 7530 | . 2 ⊢ (ℎ = 𝐹 → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉, 〈1, 𝑦〉}))) |
| 3 | 2arymaptf.h | . 2 ⊢ 𝐻 = (ℎ ∈ (2-aryF 𝑋) ↦ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉}))) | |
| 4 | eqid 2763 | . . . 4 ⊢ (0..^2) = (0..^2) | |
| 5 | 4 | naryrcl 50074 | . . 3 ⊢ (ℎ ∈ (2-aryF 𝑋) → (2 ∈ ℕ0 ∧ 𝑋 ∈ V)) |
| 6 | mpoexga 8125 | . . . 4 ⊢ ((𝑋 ∈ V ∧ 𝑋 ∈ V) → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) ∈ V) | |
| 7 | 6 | anidms 577 | . . 3 ⊢ (𝑋 ∈ V → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) ∈ V) |
| 8 | 5, 7 | simpl2im 513 | . 2 ⊢ (ℎ ∈ (2-aryF 𝑋) → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) ∈ V) |
| 9 | 2, 3, 8 | fvmpt3 7029 | 1 ⊢ (𝐹 ∈ (2-aryF 𝑋) → (𝐻‘𝐹) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉, 〈1, 𝑦〉}))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 Vcvv 3454 {cpr 4590 〈cop 4840 ↦ cmpt 5192 ‘cfv 6566 (class class class)co 7451 ∈ cmpo 7453 0cc0 11239 1c1 11240 2c2 12437 ℕ0cn0 12646 ..^cfzo 13828 -aryF cnaryf 50069 |
| 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-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| 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-reu 3370 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 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-1st 8035 df-2nd 8036 df-naryf 50070 |
| This theorem is used by: 2arymaptf1 50096 |
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