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| Mirrors > Home > MPE Home > Th. List > cantnff1o | Structured version Visualization version GIF version | ||
| Description: Simplify the isomorphism of cantnf 9622 to simple bijection. (Contributed by Mario Carneiro, 30-May-2015.) |
| Ref | Expression |
|---|---|
| cantnff1o.1 | ⊢ 𝑆 = dom (𝐴 CNF 𝐵) |
| cantnff1o.2 | ⊢ (𝜑 → 𝐴 ∈ On) |
| cantnff1o.3 | ⊢ (𝜑 → 𝐵 ∈ On) |
| Ref | Expression |
|---|---|
| cantnff1o | ⊢ (𝜑 → (𝐴 CNF 𝐵):𝑆–1-1-onto→(𝐴 ↑o 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cantnff1o.1 | . . 3 ⊢ 𝑆 = dom (𝐴 CNF 𝐵) | |
| 2 | cantnff1o.2 | . . 3 ⊢ (𝜑 → 𝐴 ∈ On) | |
| 3 | cantnff1o.3 | . . 3 ⊢ (𝜑 → 𝐵 ∈ On) | |
| 4 | eqid 2729 | . . 3 ⊢ {〈𝑥, 𝑦〉 ∣ ∃𝑧 ∈ 𝐵 ((𝑥‘𝑧) ∈ (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐵 (𝑧 ∈ 𝑤 → (𝑥‘𝑤) = (𝑦‘𝑤)))} = {〈𝑥, 𝑦〉 ∣ ∃𝑧 ∈ 𝐵 ((𝑥‘𝑧) ∈ (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐵 (𝑧 ∈ 𝑤 → (𝑥‘𝑤) = (𝑦‘𝑤)))} | |
| 5 | 1, 2, 3, 4 | cantnf 9622 | . 2 ⊢ (𝜑 → (𝐴 CNF 𝐵) Isom {〈𝑥, 𝑦〉 ∣ ∃𝑧 ∈ 𝐵 ((𝑥‘𝑧) ∈ (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐵 (𝑧 ∈ 𝑤 → (𝑥‘𝑤) = (𝑦‘𝑤)))}, E (𝑆, (𝐴 ↑o 𝐵))) |
| 6 | isof1o 7280 | . 2 ⊢ ((𝐴 CNF 𝐵) Isom {〈𝑥, 𝑦〉 ∣ ∃𝑧 ∈ 𝐵 ((𝑥‘𝑧) ∈ (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐵 (𝑧 ∈ 𝑤 → (𝑥‘𝑤) = (𝑦‘𝑤)))}, E (𝑆, (𝐴 ↑o 𝐵)) → (𝐴 CNF 𝐵):𝑆–1-1-onto→(𝐴 ↑o 𝐵)) | |
| 7 | 5, 6 | syl 17 | 1 ⊢ (𝜑 → (𝐴 CNF 𝐵):𝑆–1-1-onto→(𝐴 ↑o 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ∀wral 3044 ∃wrex 3053 {copab 5164 E cep 5530 dom cdm 5631 Oncon0 6320 –1-1-onto→wf1o 6498 ‘cfv 6499 Isom wiso 6500 (class class class)co 7369 ↑o coe 8410 CNF ccnf 9590 |
| 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 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 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-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-isom 6508 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-supp 8117 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-seqom 8393 df-1o 8411 df-2o 8412 df-oadd 8415 df-omul 8416 df-oexp 8417 df-er 8648 df-map 8778 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9289 df-oi 9439 df-cnf 9591 |
| This theorem is referenced by: oef1o 9627 cnfcomlem 9628 cnfcom 9629 cnfcom2lem 9630 cnfcom2 9631 cnfcom3lem 9632 cnfcom3 9633 cantnf2 43287 |
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