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| Mirrors > Home > MPE Home > Th. List > fz1iso | Structured version Visualization version GIF version | ||
| Description: Any finite ordered set has an order isomorphism to a one-based finite sequence. (Contributed by Mario Carneiro, 2-Apr-2014.) |
| Ref | Expression |
|---|---|
| fz1iso | ⊢ ((𝑅 Or 𝐴 ∧ 𝐴 ∈ Fin) → ∃𝑓 𝑓 Isom < , 𝑅 ((1...(♯‘𝐴)), 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2737 | . 2 ⊢ (rec((𝑛 ∈ V ↦ (𝑛 + 1)), 1) ↾ ω) = (rec((𝑛 ∈ V ↦ (𝑛 + 1)), 1) ↾ ω) | |
| 2 | eqid 2737 | . 2 ⊢ (ℕ ∩ (◡ < “ {((♯‘𝐴) + 1)})) = (ℕ ∩ (◡ < “ {((♯‘𝐴) + 1)})) | |
| 3 | eqid 2737 | . 2 ⊢ (ω ∩ (◡(rec((𝑛 ∈ V ↦ (𝑛 + 1)), 1) ↾ ω)‘((♯‘𝐴) + 1))) = (ω ∩ (◡(rec((𝑛 ∈ V ↦ (𝑛 + 1)), 1) ↾ ω)‘((♯‘𝐴) + 1))) | |
| 4 | eqid 2737 | . 2 ⊢ OrdIso(𝑅, 𝐴) = OrdIso(𝑅, 𝐴) | |
| 5 | 1, 2, 3, 4 | fz1isolem 14389 | 1 ⊢ ((𝑅 Or 𝐴 ∧ 𝐴 ∈ Fin) → ∃𝑓 𝑓 Isom < , 𝑅 ((1...(♯‘𝐴)), 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∃wex 1781 ∈ wcel 2114 Vcvv 3441 ∩ cin 3901 {csn 4581 ↦ cmpt 5180 Or wor 5532 ◡ccnv 5624 ↾ cres 5627 “ cima 5628 ‘cfv 6493 Isom wiso 6494 (class class class)co 7361 ωcom 7811 reccrdg 8343 Fincfn 8888 OrdIsocoi 9419 1c1 11032 + caddc 11034 < clt 11171 ℕcn 12150 ...cfz 13428 ♯chash 14258 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7683 ax-cnex 11087 ax-resscn 11088 ax-1cn 11089 ax-icn 11090 ax-addcl 11091 ax-addrcl 11092 ax-mulcl 11093 ax-mulrcl 11094 ax-mulcom 11095 ax-addass 11096 ax-mulass 11097 ax-distr 11098 ax-i2m1 11099 ax-1ne0 11100 ax-1rid 11101 ax-rnegex 11102 ax-rrecex 11103 ax-cnre 11104 ax-pre-lttri 11105 ax-pre-lttrn 11106 ax-pre-ltadd 11107 ax-pre-mulgt0 11108 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-int 4904 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-1o 8400 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-fin 8892 df-oi 9420 df-card 9856 df-pnf 11173 df-mnf 11174 df-xr 11175 df-ltxr 11176 df-le 11177 df-sub 11371 df-neg 11372 df-nn 12151 df-n0 12407 df-z 12494 df-uz 12757 df-fz 13429 df-hash 14259 |
| This theorem is referenced by: summolem2 15644 zsum 15646 prodmolem2 15863 zprod 15865 gsumval3 19841 erdsze2lem1 35410 sticksstones3 42481 fzisoeu 45625 |
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