| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > cantnff1o | Structured version Visualization version GIF version | ||
| Description: Simplify the isomorphism of cantnf 9701 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 2760 | . . 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 9701 | . 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 7335 | . 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 18 | 1 ⊢ (𝜑 → (𝐴 CNF 𝐵):𝑆–1-1-onto→(𝐴 ↑o 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∀wral 3076 ∃wrex 3086 {copab 5166 E cep 5550 dom cdm 5651 Oncon0 6365 –1-1-onto→wf1o 6542 ‘cfv 6543 Isom wiso 6544 (class class class)co 7424 ↑o coe 8483 CNF ccnf 9669 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-supp 8185 df-frecs 8307 df-wrecs 8338 df-recs 8387 df-rdg 8426 df-seqom 8466 df-1o 8484 df-2o 8485 df-oadd 8488 df-omul 8489 df-oexp 8490 df-er 8725 df-map 8857 df-en 8982 df-dom 8983 df-sdom 8984 df-fin 8985 df-fsupp 9362 df-oi 9511 df-cnf 9670 |
| This theorem is used by: oef1o 9706 cnfcomlem 9707 cnfcom 9708 cnfcom2lem 9709 cnfcom2 9710 cnfcom3lem 9711 cnfcom3 9712 cantnf2 44464 |
| Copyright terms: Public domain | W3C validator |