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Mirrors > Home > ILE Home > Th. List > fnmpoi | GIF version |
Description: Functionality and domain of a class given by the maps-to notation. (Contributed by FL, 17-May-2010.) |
Ref | Expression |
---|---|
fmpo.1 | ⊢ 𝐹 = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) |
fnmpoi.2 | ⊢ 𝐶 ∈ V |
Ref | Expression |
---|---|
fnmpoi | ⊢ 𝐹 Fn (𝐴 × 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnmpoi.2 | . . 3 ⊢ 𝐶 ∈ V | |
2 | 1 | rgen2w 2526 | . 2 ⊢ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝐶 ∈ V |
3 | fmpo.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
4 | 3 | fnmpo 6181 | . 2 ⊢ (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝐶 ∈ V → 𝐹 Fn (𝐴 × 𝐵)) |
5 | 2, 4 | ax-mp 5 | 1 ⊢ 𝐹 Fn (𝐴 × 𝐵) |
Colors of variables: wff set class |
Syntax hints: = wceq 1348 ∈ wcel 2141 ∀wral 2448 Vcvv 2730 × cxp 4609 Fn wfn 5193 ∈ cmpo 5855 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rex 2454 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-fv 5206 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 |
This theorem is referenced by: dmmpo 6184 fnoa 6426 fnom 6429 fnoei 6431 fnmap 6633 fnpm 6634 restfn 12583 |
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