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Mirrors > Home > MPE Home > Th. List > cantnff1o | Structured version Visualization version GIF version |
Description: Simplify the isomorphism of cantnf 9156 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 2821 | . . 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 9156 | . 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 7076 | . 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 398 = wceq 1537 ∈ wcel 2114 ∀wral 3138 ∃wrex 3139 {copab 5128 E cep 5464 dom cdm 5555 Oncon0 6191 –1-1-onto→wf1o 6354 ‘cfv 6355 Isom wiso 6356 (class class class)co 7156 ↑o coe 8101 CNF ccnf 9124 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-fal 1550 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-se 5515 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-isom 6364 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-supp 7831 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-seqom 8084 df-1o 8102 df-2o 8103 df-oadd 8106 df-omul 8107 df-oexp 8108 df-er 8289 df-map 8408 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-fsupp 8834 df-oi 8974 df-cnf 9125 |
This theorem is referenced by: oef1o 9161 cnfcomlem 9162 cnfcom 9163 cnfcom2lem 9164 cnfcom2 9165 cnfcom3lem 9166 cnfcom3 9167 |
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