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Mirrors > Home > MPE Home > Th. List > cantnfcl | Structured version Visualization version GIF version |
Description: Basic properties of the order isomorphism 𝐺 used later. The support of an 𝐹 ∈ 𝑆 is a finite subset of 𝐴, so it is well-ordered by E and the order isomorphism has domain a finite ordinal. (Contributed by Mario Carneiro, 25-May-2015.) (Revised by AV, 28-Jun-2019.) |
Ref | Expression |
---|---|
cantnfs.s | ⊢ 𝑆 = dom (𝐴 CNF 𝐵) |
cantnfs.a | ⊢ (𝜑 → 𝐴 ∈ On) |
cantnfs.b | ⊢ (𝜑 → 𝐵 ∈ On) |
cantnfcl.g | ⊢ 𝐺 = OrdIso( E , (𝐹 supp ∅)) |
cantnfcl.f | ⊢ (𝜑 → 𝐹 ∈ 𝑆) |
Ref | Expression |
---|---|
cantnfcl | ⊢ (𝜑 → ( E We (𝐹 supp ∅) ∧ dom 𝐺 ∈ ω)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | suppssdm 7195 | . . . . 5 ⊢ (𝐹 supp ∅) ⊆ dom 𝐹 | |
2 | cantnfcl.f | . . . . . . . 8 ⊢ (𝜑 → 𝐹 ∈ 𝑆) | |
3 | cantnfs.s | . . . . . . . . 9 ⊢ 𝑆 = dom (𝐴 CNF 𝐵) | |
4 | cantnfs.a | . . . . . . . . 9 ⊢ (𝜑 → 𝐴 ∈ On) | |
5 | cantnfs.b | . . . . . . . . 9 ⊢ (𝜑 → 𝐵 ∈ On) | |
6 | 3, 4, 5 | cantnfs 8446 | . . . . . . . 8 ⊢ (𝜑 → (𝐹 ∈ 𝑆 ↔ (𝐹:𝐵⟶𝐴 ∧ 𝐹 finSupp ∅))) |
7 | 2, 6 | mpbid 221 | . . . . . . 7 ⊢ (𝜑 → (𝐹:𝐵⟶𝐴 ∧ 𝐹 finSupp ∅)) |
8 | 7 | simpld 474 | . . . . . 6 ⊢ (𝜑 → 𝐹:𝐵⟶𝐴) |
9 | fdm 5964 | . . . . . 6 ⊢ (𝐹:𝐵⟶𝐴 → dom 𝐹 = 𝐵) | |
10 | 8, 9 | syl 17 | . . . . 5 ⊢ (𝜑 → dom 𝐹 = 𝐵) |
11 | 1, 10 | syl5sseq 3616 | . . . 4 ⊢ (𝜑 → (𝐹 supp ∅) ⊆ 𝐵) |
12 | onss 6882 | . . . . 5 ⊢ (𝐵 ∈ On → 𝐵 ⊆ On) | |
13 | 5, 12 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐵 ⊆ On) |
14 | 11, 13 | sstrd 3578 | . . 3 ⊢ (𝜑 → (𝐹 supp ∅) ⊆ On) |
15 | epweon 6875 | . . 3 ⊢ E We On | |
16 | wess 5025 | . . 3 ⊢ ((𝐹 supp ∅) ⊆ On → ( E We On → E We (𝐹 supp ∅))) | |
17 | 14, 15, 16 | mpisyl 21 | . 2 ⊢ (𝜑 → E We (𝐹 supp ∅)) |
18 | ovex 6577 | . . . . . 6 ⊢ (𝐹 supp ∅) ∈ V | |
19 | 18 | a1i 11 | . . . . 5 ⊢ (𝜑 → (𝐹 supp ∅) ∈ V) |
20 | cantnfcl.g | . . . . . 6 ⊢ 𝐺 = OrdIso( E , (𝐹 supp ∅)) | |
21 | 20 | oion 8324 | . . . . 5 ⊢ ((𝐹 supp ∅) ∈ V → dom 𝐺 ∈ On) |
22 | 19, 21 | syl 17 | . . . 4 ⊢ (𝜑 → dom 𝐺 ∈ On) |
23 | 7 | simprd 478 | . . . . . 6 ⊢ (𝜑 → 𝐹 finSupp ∅) |
24 | 23 | fsuppimpd 8165 | . . . . 5 ⊢ (𝜑 → (𝐹 supp ∅) ∈ Fin) |
25 | 20 | oien 8326 | . . . . . 6 ⊢ (((𝐹 supp ∅) ∈ V ∧ E We (𝐹 supp ∅)) → dom 𝐺 ≈ (𝐹 supp ∅)) |
26 | 19, 17, 25 | syl2anc 691 | . . . . 5 ⊢ (𝜑 → dom 𝐺 ≈ (𝐹 supp ∅)) |
27 | enfii 8062 | . . . . 5 ⊢ (((𝐹 supp ∅) ∈ Fin ∧ dom 𝐺 ≈ (𝐹 supp ∅)) → dom 𝐺 ∈ Fin) | |
28 | 24, 26, 27 | syl2anc 691 | . . . 4 ⊢ (𝜑 → dom 𝐺 ∈ Fin) |
29 | 22, 28 | elind 3760 | . . 3 ⊢ (𝜑 → dom 𝐺 ∈ (On ∩ Fin)) |
30 | onfin2 8037 | . . 3 ⊢ ω = (On ∩ Fin) | |
31 | 29, 30 | syl6eleqr 2699 | . 2 ⊢ (𝜑 → dom 𝐺 ∈ ω) |
32 | 17, 31 | jca 553 | 1 ⊢ (𝜑 → ( E We (𝐹 supp ∅) ∧ dom 𝐺 ∈ ω)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 Vcvv 3173 ∩ cin 3539 ⊆ wss 3540 ∅c0 3874 class class class wbr 4583 E cep 4947 We wwe 4996 dom cdm 5038 Oncon0 5640 ⟶wf 5800 (class class class)co 6549 ωcom 6957 supp csupp 7182 ≈ cen 7838 Fincfn 7841 finSupp cfsupp 8158 OrdIsocoi 8297 CNF ccnf 8441 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-fal 1481 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-supp 7183 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-seqom 7430 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-fsupp 8159 df-oi 8298 df-cnf 8442 |
This theorem is referenced by: cantnfval2 8449 cantnfle 8451 cantnflt 8452 cantnflt2 8453 cantnff 8454 cantnfp1lem2 8459 cantnfp1lem3 8460 cantnflem1b 8466 cantnflem1d 8468 cantnflem1 8469 cnfcomlem 8479 cnfcom 8480 cnfcom2lem 8481 cnfcom3lem 8483 |
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