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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 6821 | . . 3 ⊢ (ℎ = 𝐹 → (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉}) = (𝐹‘{〈0, 𝑥〉, 〈1, 𝑦〉})) | |
| 2 | 1 | mpoeq3dv 7428 | . 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 2729 | . . . 4 ⊢ (0..^2) = (0..^2) | |
| 5 | 4 | naryrcl 48636 | . . 3 ⊢ (ℎ ∈ (2-aryF 𝑋) → (2 ∈ ℕ0 ∧ 𝑋 ∈ V)) |
| 6 | mpoexga 8012 | . . . 4 ⊢ ((𝑋 ∈ V ∧ 𝑋 ∈ V) → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) ∈ V) | |
| 7 | 6 | anidms 566 | . . 3 ⊢ (𝑋 ∈ V → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) ∈ V) |
| 8 | 5, 7 | simpl2im 503 | . 2 ⊢ (ℎ ∈ (2-aryF 𝑋) → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{〈0, 𝑥〉, 〈1, 𝑦〉})) ∈ V) |
| 9 | 2, 3, 8 | fvmpt3 6934 | 1 ⊢ (𝐹 ∈ (2-aryF 𝑋) → (𝐻‘𝐹) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (𝐹‘{〈0, 𝑥〉, 〈1, 𝑦〉}))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 Vcvv 3436 {cpr 4579 〈cop 4583 ↦ cmpt 5173 ‘cfv 6482 (class class class)co 7349 ∈ cmpo 7351 0cc0 11009 1c1 11010 2c2 12183 ℕ0cn0 12384 ..^cfzo 13557 -aryF cnaryf 48631 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-ov 7352 df-oprab 7353 df-mpo 7354 df-1st 7924 df-2nd 7925 df-naryf 48632 |
| This theorem is referenced by: 2arymaptf1 48658 |
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