| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > fmpo | GIF version | ||
| Description: Functionality, domain and range 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) |
| Ref | Expression |
|---|---|
| fmpo | ⊢ (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝐶 ∈ 𝐷 ↔ 𝐹:(𝐴 × 𝐵)⟶𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fmpo.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 2 | 1 | fmpox 6436 | . 2 ⊢ (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝐶 ∈ 𝐷 ↔ 𝐹:∪ 𝑥 ∈ 𝐴 ({𝑥} × 𝐵)⟶𝐷) |
| 3 | iunxpconst 4835 | . . 3 ⊢ ∪ 𝑥 ∈ 𝐴 ({𝑥} × 𝐵) = (𝐴 × 𝐵) | |
| 4 | 3 | feq2i 5527 | . 2 ⊢ (𝐹:∪ 𝑥 ∈ 𝐴 ({𝑥} × 𝐵)⟶𝐷 ↔ 𝐹:(𝐴 × 𝐵)⟶𝐷) |
| 5 | 2, 4 | bitri 184 | 1 ⊢ (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝐶 ∈ 𝐷 ↔ 𝐹:(𝐴 × 𝐵)⟶𝐷) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ↔ wb 105 = wceq 1402 ∈ wcel 2209 ∀wral 2528 {csn 3709 ∪ ciun 4012 × cxp 4772 ⟶wf 5373 ∈ cmpo 6087 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fv 5385 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 |
| This theorem is used by: fnmpo 6438 ovmpoelrn 6443 fmpoco 6452 eroprf 6902 mapxpen 7148 subf 8528 xaddf 10246 ixxf 10300 ioof 10373 fzf 10415 fzof 10551 gcdf 12749 eucalgf 12833 xpsff1o 13670 mgmplusf 13686 grpsubf 13884 lmodscaf 14647 txuni2 15357 txbasval 15368 cnmpt12 15388 cnmpt21 15392 cnmpt2t 15394 cnmpt22 15395 cnmptcom 15399 txswaphmeo 15422 blfvalps 15486 blfps 15510 blf 15511 bdmet 15603 xmetxp 15608 sgmf 16100 |
| Copyright terms: Public domain | W3C validator |