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Mirrors > Home > MPE Home > Th. List > om2uzlt2i | Structured version Visualization version GIF version |
Description: The mapping 𝐺 (see om2uz0i 13595) preserves order. (Contributed by NM, 4-May-2005.) (Revised by Mario Carneiro, 13-Sep-2013.) |
Ref | Expression |
---|---|
om2uz.1 | ⊢ 𝐶 ∈ ℤ |
om2uz.2 | ⊢ 𝐺 = (rec((𝑥 ∈ V ↦ (𝑥 + 1)), 𝐶) ↾ ω) |
Ref | Expression |
---|---|
om2uzlt2i | ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴 ∈ 𝐵 ↔ (𝐺‘𝐴) < (𝐺‘𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | om2uz.1 | . . 3 ⊢ 𝐶 ∈ ℤ | |
2 | om2uz.2 | . . 3 ⊢ 𝐺 = (rec((𝑥 ∈ V ↦ (𝑥 + 1)), 𝐶) ↾ ω) | |
3 | 1, 2 | om2uzlti 13598 | . 2 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴 ∈ 𝐵 → (𝐺‘𝐴) < (𝐺‘𝐵))) |
4 | 1, 2 | om2uzlti 13598 | . . . . 5 ⊢ ((𝐵 ∈ ω ∧ 𝐴 ∈ ω) → (𝐵 ∈ 𝐴 → (𝐺‘𝐵) < (𝐺‘𝐴))) |
5 | fveq2 6756 | . . . . . 6 ⊢ (𝐵 = 𝐴 → (𝐺‘𝐵) = (𝐺‘𝐴)) | |
6 | 5 | a1i 11 | . . . . 5 ⊢ ((𝐵 ∈ ω ∧ 𝐴 ∈ ω) → (𝐵 = 𝐴 → (𝐺‘𝐵) = (𝐺‘𝐴))) |
7 | 4, 6 | orim12d 961 | . . . 4 ⊢ ((𝐵 ∈ ω ∧ 𝐴 ∈ ω) → ((𝐵 ∈ 𝐴 ∨ 𝐵 = 𝐴) → ((𝐺‘𝐵) < (𝐺‘𝐴) ∨ (𝐺‘𝐵) = (𝐺‘𝐴)))) |
8 | 7 | ancoms 458 | . . 3 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ((𝐵 ∈ 𝐴 ∨ 𝐵 = 𝐴) → ((𝐺‘𝐵) < (𝐺‘𝐴) ∨ (𝐺‘𝐵) = (𝐺‘𝐴)))) |
9 | nnon 7693 | . . . 4 ⊢ (𝐵 ∈ ω → 𝐵 ∈ On) | |
10 | nnon 7693 | . . . 4 ⊢ (𝐴 ∈ ω → 𝐴 ∈ On) | |
11 | onsseleq 6292 | . . . . 5 ⊢ ((𝐵 ∈ On ∧ 𝐴 ∈ On) → (𝐵 ⊆ 𝐴 ↔ (𝐵 ∈ 𝐴 ∨ 𝐵 = 𝐴))) | |
12 | ontri1 6285 | . . . . 5 ⊢ ((𝐵 ∈ On ∧ 𝐴 ∈ On) → (𝐵 ⊆ 𝐴 ↔ ¬ 𝐴 ∈ 𝐵)) | |
13 | 11, 12 | bitr3d 280 | . . . 4 ⊢ ((𝐵 ∈ On ∧ 𝐴 ∈ On) → ((𝐵 ∈ 𝐴 ∨ 𝐵 = 𝐴) ↔ ¬ 𝐴 ∈ 𝐵)) |
14 | 9, 10, 13 | syl2anr 596 | . . 3 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ((𝐵 ∈ 𝐴 ∨ 𝐵 = 𝐴) ↔ ¬ 𝐴 ∈ 𝐵)) |
15 | 1, 2 | om2uzuzi 13597 | . . . . 5 ⊢ (𝐵 ∈ ω → (𝐺‘𝐵) ∈ (ℤ≥‘𝐶)) |
16 | eluzelre 12522 | . . . . 5 ⊢ ((𝐺‘𝐵) ∈ (ℤ≥‘𝐶) → (𝐺‘𝐵) ∈ ℝ) | |
17 | 15, 16 | syl 17 | . . . 4 ⊢ (𝐵 ∈ ω → (𝐺‘𝐵) ∈ ℝ) |
18 | 1, 2 | om2uzuzi 13597 | . . . . 5 ⊢ (𝐴 ∈ ω → (𝐺‘𝐴) ∈ (ℤ≥‘𝐶)) |
19 | eluzelre 12522 | . . . . 5 ⊢ ((𝐺‘𝐴) ∈ (ℤ≥‘𝐶) → (𝐺‘𝐴) ∈ ℝ) | |
20 | 18, 19 | syl 17 | . . . 4 ⊢ (𝐴 ∈ ω → (𝐺‘𝐴) ∈ ℝ) |
21 | leloe 10992 | . . . . 5 ⊢ (((𝐺‘𝐵) ∈ ℝ ∧ (𝐺‘𝐴) ∈ ℝ) → ((𝐺‘𝐵) ≤ (𝐺‘𝐴) ↔ ((𝐺‘𝐵) < (𝐺‘𝐴) ∨ (𝐺‘𝐵) = (𝐺‘𝐴)))) | |
22 | lenlt 10984 | . . . . 5 ⊢ (((𝐺‘𝐵) ∈ ℝ ∧ (𝐺‘𝐴) ∈ ℝ) → ((𝐺‘𝐵) ≤ (𝐺‘𝐴) ↔ ¬ (𝐺‘𝐴) < (𝐺‘𝐵))) | |
23 | 21, 22 | bitr3d 280 | . . . 4 ⊢ (((𝐺‘𝐵) ∈ ℝ ∧ (𝐺‘𝐴) ∈ ℝ) → (((𝐺‘𝐵) < (𝐺‘𝐴) ∨ (𝐺‘𝐵) = (𝐺‘𝐴)) ↔ ¬ (𝐺‘𝐴) < (𝐺‘𝐵))) |
24 | 17, 20, 23 | syl2anr 596 | . . 3 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (((𝐺‘𝐵) < (𝐺‘𝐴) ∨ (𝐺‘𝐵) = (𝐺‘𝐴)) ↔ ¬ (𝐺‘𝐴) < (𝐺‘𝐵))) |
25 | 8, 14, 24 | 3imtr3d 292 | . 2 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (¬ 𝐴 ∈ 𝐵 → ¬ (𝐺‘𝐴) < (𝐺‘𝐵))) |
26 | 3, 25 | impcon4bid 226 | 1 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴 ∈ 𝐵 ↔ (𝐺‘𝐴) < (𝐺‘𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 843 = wceq 1539 ∈ wcel 2108 Vcvv 3422 ⊆ wss 3883 class class class wbr 5070 ↦ cmpt 5153 ↾ cres 5582 Oncon0 6251 ‘cfv 6418 (class class class)co 7255 ωcom 7687 reccrdg 8211 ℝcr 10801 1c1 10803 + caddc 10805 < clt 10940 ≤ cle 10941 ℤcz 12249 ℤ≥cuz 12511 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 |
This theorem is referenced by: om2uzisoi 13602 unbenlem 16537 |
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