Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 12432 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ ℝ) | |
2 | eluzelre 12432 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ ℝ) | |
3 | lelttric 10922 | . . . . . . . 8 ⊢ ((𝐵 ∈ ℝ ∧ 𝑥 ∈ ℝ) → (𝐵 ≤ 𝑥 ∨ 𝑥 < 𝐵)) | |
4 | 1, 2, 3 | syl2an 599 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝐵 ≤ 𝑥 ∨ 𝑥 < 𝐵)) |
5 | 4 | orcomd 871 | . . . . . 6 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 < 𝐵 ∨ 𝐵 ≤ 𝑥)) |
6 | id 22 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ (ℤ≥‘𝐴)) | |
7 | eluzelz 12431 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ ℤ) | |
8 | elfzo2 13229 | . . . . . . . . . 10 ⊢ (𝑥 ∈ (𝐴..^𝐵) ↔ (𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ ∧ 𝑥 < 𝐵)) | |
9 | df-3an 1091 | . . . . . . . . . 10 ⊢ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ ∧ 𝑥 < 𝐵) ↔ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ) ∧ 𝑥 < 𝐵)) | |
10 | 8, 9 | bitri 278 | . . . . . . . . 9 ⊢ (𝑥 ∈ (𝐴..^𝐵) ↔ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ) ∧ 𝑥 < 𝐵)) |
11 | 10 | baib 539 | . . . . . . . 8 ⊢ ((𝑥 ∈ (ℤ≥‘𝐴) ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (𝐴..^𝐵) ↔ 𝑥 < 𝐵)) |
12 | 6, 7, 11 | syl2anr 600 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 ∈ (𝐴..^𝐵) ↔ 𝑥 < 𝐵)) |
13 | eluzelz 12431 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ ℤ) | |
14 | eluz 12435 | . . . . . . . 8 ⊢ ((𝐵 ∈ ℤ ∧ 𝑥 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘𝐵) ↔ 𝐵 ≤ 𝑥)) | |
15 | 7, 13, 14 | syl2an 599 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 ∈ (ℤ≥‘𝐵) ↔ 𝐵 ≤ 𝑥)) |
16 | 12, 15 | orbi12d 919 | . . . . . 6 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → ((𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵)) ↔ (𝑥 < 𝐵 ∨ 𝐵 ≤ 𝑥))) |
17 | 5, 16 | mpbird 260 | . . . . 5 ⊢ ((𝐵 ∈ (ℤ≥‘𝐴) ∧ 𝑥 ∈ (ℤ≥‘𝐴)) → (𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵))) |
18 | 17 | ex 416 | . . . 4 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝑥 ∈ (ℤ≥‘𝐴) → (𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵)))) |
19 | elun 4053 | . . . 4 ⊢ (𝑥 ∈ ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵)) ↔ (𝑥 ∈ (𝐴..^𝐵) ∨ 𝑥 ∈ (ℤ≥‘𝐵))) | |
20 | 18, 19 | syl6ibr 255 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝑥 ∈ (ℤ≥‘𝐴) → 𝑥 ∈ ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵)))) |
21 | 20 | ssrdv 3897 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐴) ⊆ ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵))) |
22 | elfzouz 13230 | . . . . 5 ⊢ (𝑥 ∈ (𝐴..^𝐵) → 𝑥 ∈ (ℤ≥‘𝐴)) | |
23 | 22 | ssriv 3895 | . . . 4 ⊢ (𝐴..^𝐵) ⊆ (ℤ≥‘𝐴) |
24 | 23 | a1i 11 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐴..^𝐵) ⊆ (ℤ≥‘𝐴)) |
25 | uzss 12444 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐵) ⊆ (ℤ≥‘𝐴)) | |
26 | 24, 25 | unssd 4090 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵)) ⊆ (ℤ≥‘𝐴)) |
27 | 21, 26 | eqssd 3908 | 1 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (ℤ≥‘𝐴) = ((𝐴..^𝐵) ∪ (ℤ≥‘𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∨ wo 847 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 ∪ cun 3855 ⊆ wss 3857 class class class wbr 5043 ‘cfv 6369 (class class class)co 7202 ℝcr 10711 < clt 10850 ≤ cle 10851 ℤcz 12159 ℤ≥cuz 12421 ..^cfzo 13221 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2706 ax-sep 5181 ax-nul 5188 ax-pow 5247 ax-pr 5311 ax-un 7512 ax-cnex 10768 ax-resscn 10769 ax-1cn 10770 ax-icn 10771 ax-addcl 10772 ax-addrcl 10773 ax-mulcl 10774 ax-mulrcl 10775 ax-mulcom 10776 ax-addass 10777 ax-mulass 10778 ax-distr 10779 ax-i2m1 10780 ax-1ne0 10781 ax-1rid 10782 ax-rnegex 10783 ax-rrecex 10784 ax-cnre 10785 ax-pre-lttri 10786 ax-pre-lttrn 10787 ax-pre-ltadd 10788 ax-pre-mulgt0 10789 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2537 df-eu 2566 df-clab 2713 df-cleq 2726 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rab 3063 df-v 3403 df-sbc 3688 df-csb 3803 df-dif 3860 df-un 3862 df-in 3864 df-ss 3874 df-pss 3876 df-nul 4228 df-if 4430 df-pw 4505 df-sn 4532 df-pr 4534 df-tp 4536 df-op 4538 df-uni 4810 df-iun 4896 df-br 5044 df-opab 5106 df-mpt 5125 df-tr 5151 df-id 5444 df-eprel 5449 df-po 5457 df-so 5458 df-fr 5498 df-we 5500 df-xp 5546 df-rel 5547 df-cnv 5548 df-co 5549 df-dm 5550 df-rn 5551 df-res 5552 df-ima 5553 df-pred 6149 df-ord 6205 df-on 6206 df-lim 6207 df-suc 6208 df-iota 6327 df-fun 6371 df-fn 6372 df-f 6373 df-f1 6374 df-fo 6375 df-f1o 6376 df-fv 6377 df-riota 7159 df-ov 7205 df-oprab 7206 df-mpo 7207 df-om 7634 df-1st 7750 df-2nd 7751 df-wrecs 8036 df-recs 8097 df-rdg 8135 df-er 8380 df-en 8616 df-dom 8617 df-sdom 8618 df-pnf 10852 df-mnf 10853 df-xr 10854 df-ltxr 10855 df-le 10856 df-sub 11047 df-neg 11048 df-nn 11814 df-n0 12074 df-z 12160 df-uz 12422 df-fz 13079 df-fzo 13222 |
This theorem is referenced by: bitsres 16013 sseqfn 32041 sseqf 32043 poimirlem30 35501 mblfinlem2 35509 fmtno4prmfac 44651 wtgoldbnnsum4prm 44881 bgoldbnnsum3prm 44883 |
Copyright terms: Public domain | W3C validator |