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Mirrors > Home > MPE Home > Th. List > fzouzsplit | Structured version Visualization version GIF version |
Description: Split an upper integer set into a half-open integer range and another upper integer set. (Contributed by Mario Carneiro, 21-Sep-2016.) |
Ref | Expression |
---|---|
fzouzsplit | ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐴) = ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluzelre 11698 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ ℝ) | |
2 | eluzelre 11698 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ ℝ) | |
3 | lelttric 10144 | . . . . . . . 8 ⊢ ((𝐵 ∈ ℝ ∧ 𝑥 ∈ ℝ) → (𝐵 ≤ 𝑥 ∨ 𝑥 < 𝐵)) | |
4 | 1, 2, 3 | syl2an 494 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝐵 ≤ 𝑥 ∨ 𝑥 < 𝐵)) |
5 | 4 | orcomd 403 | . . . . . 6 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 < 𝐵 ∨ 𝐵 ≤ 𝑥)) |
6 | id 22 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ (ℤ≥‘𝐴)) | |
7 | eluzelz 11697 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ ℤ) | |
8 | elfzo2 12473 | . . . . . . . . . 10 ⊢ (𝑥 ∈ (𝐴..^𝐵) ↔ (𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ ∧ 𝑥 < 𝐵)) | |
9 | df-3an 1039 | . . . . . . . . . 10 ⊢ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ ∧ 𝑥 < 𝐵) ↔ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ) ∧ 𝑥 < 𝐵)) | |
10 | 8, 9 | bitri 264 | . . . . . . . . 9 ⊢ (𝑥 ∈ (𝐴..^𝐵) ↔ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ) ∧ 𝑥 < 𝐵)) |
11 | 10 | baib 944 | . . . . . . . 8 ⊢ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (𝐴..^𝐵) ↔ 𝑥 < 𝐵)) |
12 | 6, 7, 11 | syl2anr 495 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 ∈ (𝐴..^𝐵) ↔ 𝑥 < 𝐵)) |
13 | eluzelz 11697 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ ℤ) | |
14 | eluz 11701 | . . . . . . . 8 ⊢ ((𝐵 ∈ ℤ ∧ 𝑥 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘𝐵) ↔ 𝐵 ≤ 𝑥)) | |
15 | 7, 13, 14 | syl2an 494 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 ∈ (ℤ≥‘𝐵) ↔ 𝐵 ≤ 𝑥)) |
16 | 12, 15 | orbi12d 746 | . . . . . 6 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → ((𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵)) ↔ (𝑥 < 𝐵 ∨ 𝐵 ≤ 𝑥))) |
17 | 5, 16 | mpbird 247 | . . . . 5 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵))) |
18 | 17 | ex 450 | . . . 4 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝑥 ∈ (ℤ≥‘𝐴) → (𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵)))) |
19 | elun 3753 | . . . 4 ⊢ (𝑥 ∈ ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵)) ↔ (𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵))) | |
20 | 18, 19 | syl6ibr 242 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵)))) |
21 | 20 | ssrdv 3609 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐴) ⊆ ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵))) |
22 | elfzouz 12474 | . . . . 5 ⊢ (𝑥 ∈ (𝐴..^𝐵) → 𝑥 ∈ (ℤ≥‘𝐴)) | |
23 | 22 | ssriv 3607 | . . . 4 ⊢ (𝐴..^𝐵) ⊆ (ℤ≥‘𝐴) |
24 | 23 | a1i 11 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐴..^𝐵) ⊆ (ℤ≥‘𝐴)) |
25 | uzss 11708 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐵) ⊆ (ℤ≥‘𝐴)) | |
26 | 24, 25 | unssd 3789 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵)) ⊆ (ℤ≥‘𝐴)) |
27 | 21, 26 | eqssd 3620 | 1 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐴) = ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∨ wo 383 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ∪ cun 3572 ⊆ wss 3574 class class class wbr 4653 ‘cfv 5888 (class class class)co 6650 ℝcr 9935 < clt 10074 ≤ cle 10075 ℤcz 11377 ℤ≥cuz 11687 ..^cfzo 12465 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-n0 11293 df-z 11378 df-uz 11688 df-fz 12327 df-fzo 12466 |
This theorem is referenced by: bitsres 15195 sseqfn 30452 sseqf 30454 poimirlem30 33439 mblfinlem2 33447 fmtno4prmfac 41484 wtgoldbnnsum4prm 41690 bgoldbnnsum3prm 41692 |
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