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Mirrors > Home > MPE Home > Th. List > om2uzf1oi | Structured version Visualization version GIF version |
Description: 𝐺 (see om2uz0i 13667) is a one-to-one onto mapping. (Contributed by NM, 3-Oct-2004.) (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 |
---|---|
om2uzf1oi | ⊢ 𝐺:ω–1-1-onto→(ℤ≥‘𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | frfnom 8266 | . . . . 5 ⊢ (rec((𝑥 ∈ V ↦ (𝑥 + 1)), 𝐶) ↾ ω) Fn ω | |
2 | om2uz.2 | . . . . . 6 ⊢ 𝐺 = (rec((𝑥 ∈ V ↦ (𝑥 + 1)), 𝐶) ↾ ω) | |
3 | 2 | fneq1i 6530 | . . . . 5 ⊢ (𝐺 Fn ω ↔ (rec((𝑥 ∈ V ↦ (𝑥 + 1)), 𝐶) ↾ ω) Fn ω) |
4 | 1, 3 | mpbir 230 | . . . 4 ⊢ 𝐺 Fn ω |
5 | om2uz.1 | . . . . . 6 ⊢ 𝐶 ∈ ℤ | |
6 | 5, 2 | om2uzrani 13672 | . . . . 5 ⊢ ran 𝐺 = (ℤ≥‘𝐶) |
7 | 6 | eqimssi 3979 | . . . 4 ⊢ ran 𝐺 ⊆ (ℤ≥‘𝐶) |
8 | df-f 6437 | . . . 4 ⊢ (𝐺:ω⟶(ℤ≥‘𝐶) ↔ (𝐺 Fn ω ∧ ran 𝐺 ⊆ (ℤ≥‘𝐶))) | |
9 | 4, 7, 8 | mpbir2an 708 | . . 3 ⊢ 𝐺:ω⟶(ℤ≥‘𝐶) |
10 | 5, 2 | om2uzuzi 13669 | . . . . . . . . 9 ⊢ (𝑦 ∈ ω → (𝐺‘𝑦) ∈ (ℤ≥‘𝐶)) |
11 | eluzelz 12592 | . . . . . . . . 9 ⊢ ((𝐺‘𝑦) ∈ (ℤ≥‘𝐶) → (𝐺‘𝑦) ∈ ℤ) | |
12 | 10, 11 | syl 17 | . . . . . . . 8 ⊢ (𝑦 ∈ ω → (𝐺‘𝑦) ∈ ℤ) |
13 | 12 | zred 12426 | . . . . . . 7 ⊢ (𝑦 ∈ ω → (𝐺‘𝑦) ∈ ℝ) |
14 | 5, 2 | om2uzuzi 13669 | . . . . . . . . 9 ⊢ (𝑧 ∈ ω → (𝐺‘𝑧) ∈ (ℤ≥‘𝐶)) |
15 | eluzelz 12592 | . . . . . . . . 9 ⊢ ((𝐺‘𝑧) ∈ (ℤ≥‘𝐶) → (𝐺‘𝑧) ∈ ℤ) | |
16 | 14, 15 | syl 17 | . . . . . . . 8 ⊢ (𝑧 ∈ ω → (𝐺‘𝑧) ∈ ℤ) |
17 | 16 | zred 12426 | . . . . . . 7 ⊢ (𝑧 ∈ ω → (𝐺‘𝑧) ∈ ℝ) |
18 | lttri3 11058 | . . . . . . 7 ⊢ (((𝐺‘𝑦) ∈ ℝ ∧ (𝐺‘𝑧) ∈ ℝ) → ((𝐺‘𝑦) = (𝐺‘𝑧) ↔ (¬ (𝐺‘𝑦) < (𝐺‘𝑧) ∧ ¬ (𝐺‘𝑧) < (𝐺‘𝑦)))) | |
19 | 13, 17, 18 | syl2an 596 | . . . . . 6 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝐺‘𝑦) = (𝐺‘𝑧) ↔ (¬ (𝐺‘𝑦) < (𝐺‘𝑧) ∧ ¬ (𝐺‘𝑧) < (𝐺‘𝑦)))) |
20 | ioran 981 | . . . . . 6 ⊢ (¬ ((𝐺‘𝑦) < (𝐺‘𝑧) ∨ (𝐺‘𝑧) < (𝐺‘𝑦)) ↔ (¬ (𝐺‘𝑦) < (𝐺‘𝑧) ∧ ¬ (𝐺‘𝑧) < (𝐺‘𝑦))) | |
21 | 19, 20 | bitr4di 289 | . . . . 5 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝐺‘𝑦) = (𝐺‘𝑧) ↔ ¬ ((𝐺‘𝑦) < (𝐺‘𝑧) ∨ (𝐺‘𝑧) < (𝐺‘𝑦)))) |
22 | nnord 7720 | . . . . . . . . 9 ⊢ (𝑦 ∈ ω → Ord 𝑦) | |
23 | nnord 7720 | . . . . . . . . 9 ⊢ (𝑧 ∈ ω → Ord 𝑧) | |
24 | ordtri3 6302 | . . . . . . . . 9 ⊢ ((Ord 𝑦 ∧ Ord 𝑧) → (𝑦 = 𝑧 ↔ ¬ (𝑦 ∈ 𝑧 ∨ 𝑧 ∈ 𝑦))) | |
25 | 22, 23, 24 | syl2an 596 | . . . . . . . 8 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → (𝑦 = 𝑧 ↔ ¬ (𝑦 ∈ 𝑧 ∨ 𝑧 ∈ 𝑦))) |
26 | 25 | con2bid 355 | . . . . . . 7 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝑦 ∈ 𝑧 ∨ 𝑧 ∈ 𝑦) ↔ ¬ 𝑦 = 𝑧)) |
27 | 5, 2 | om2uzlti 13670 | . . . . . . . 8 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → (𝑦 ∈ 𝑧 → (𝐺‘𝑦) < (𝐺‘𝑧))) |
28 | 5, 2 | om2uzlti 13670 | . . . . . . . . 9 ⊢ ((𝑧 ∈ ω ∧ 𝑦 ∈ ω) → (𝑧 ∈ 𝑦 → (𝐺‘𝑧) < (𝐺‘𝑦))) |
29 | 28 | ancoms 459 | . . . . . . . 8 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → (𝑧 ∈ 𝑦 → (𝐺‘𝑧) < (𝐺‘𝑦))) |
30 | 27, 29 | orim12d 962 | . . . . . . 7 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝑦 ∈ 𝑧 ∨ 𝑧 ∈ 𝑦) → ((𝐺‘𝑦) < (𝐺‘𝑧) ∨ (𝐺‘𝑧) < (𝐺‘𝑦)))) |
31 | 26, 30 | sylbird 259 | . . . . . 6 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → (¬ 𝑦 = 𝑧 → ((𝐺‘𝑦) < (𝐺‘𝑧) ∨ (𝐺‘𝑧) < (𝐺‘𝑦)))) |
32 | 31 | con1d 145 | . . . . 5 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → (¬ ((𝐺‘𝑦) < (𝐺‘𝑧) ∨ (𝐺‘𝑧) < (𝐺‘𝑦)) → 𝑦 = 𝑧)) |
33 | 21, 32 | sylbid 239 | . . . 4 ⊢ ((𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝐺‘𝑦) = (𝐺‘𝑧) → 𝑦 = 𝑧)) |
34 | 33 | rgen2 3120 | . . 3 ⊢ ∀𝑦 ∈ ω ∀𝑧 ∈ ω ((𝐺‘𝑦) = (𝐺‘𝑧) → 𝑦 = 𝑧) |
35 | dff13 7128 | . . 3 ⊢ (𝐺:ω–1-1→(ℤ≥‘𝐶) ↔ (𝐺:ω⟶(ℤ≥‘𝐶) ∧ ∀𝑦 ∈ ω ∀𝑧 ∈ ω ((𝐺‘𝑦) = (𝐺‘𝑧) → 𝑦 = 𝑧))) | |
36 | 9, 34, 35 | mpbir2an 708 | . 2 ⊢ 𝐺:ω–1-1→(ℤ≥‘𝐶) |
37 | dff1o5 6725 | . 2 ⊢ (𝐺:ω–1-1-onto→(ℤ≥‘𝐶) ↔ (𝐺:ω–1-1→(ℤ≥‘𝐶) ∧ ran 𝐺 = (ℤ≥‘𝐶))) | |
38 | 36, 6, 37 | mpbir2an 708 | 1 ⊢ 𝐺:ω–1-1-onto→(ℤ≥‘𝐶) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∨ wo 844 = wceq 1539 ∈ wcel 2106 ∀wral 3064 Vcvv 3432 ⊆ wss 3887 class class class wbr 5074 ↦ cmpt 5157 ran crn 5590 ↾ cres 5591 Ord word 6265 Fn wfn 6428 ⟶wf 6429 –1-1→wf1 6430 –1-1-onto→wf1o 6432 ‘cfv 6433 (class class class)co 7275 ωcom 7712 reccrdg 8240 ℝcr 10870 1c1 10872 + caddc 10874 < clt 11009 ℤcz 12319 ℤ≥cuz 12582 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12583 |
This theorem is referenced by: om2uzisoi 13674 uzrdglem 13677 uzrdgfni 13678 uzrdgsuci 13680 uzenom 13684 fzennn 13688 cardfz 13690 hashgf1o 13691 axdc4uzlem 13703 unbenlem 16609 |
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