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| Mirrors > Home > MPE Home > Th. List > uzsplit | Structured version Visualization version GIF version | ||
| Description: Express an upper integer set as the disjoint (see uzdisj 13551) union of the first 𝑁 values and the rest. (Contributed by Mario Carneiro, 24-Apr-2014.) |
| Ref | Expression |
|---|---|
| uzsplit | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (ℤ≥‘𝑀) = ((𝑀...(𝑁 − 1)) ∪ (ℤ≥‘𝑁))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eluzelre 12799 | . . . . . . . 8 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℝ) | |
| 2 | eluzelre 12799 | . . . . . . . 8 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → 𝑘 ∈ ℝ) | |
| 3 | lelttric 11253 | . . . . . . . 8 ⊢ ((𝑁 ∈ ℝ ∧ 𝑘 ∈ ℝ) → (𝑁 ≤ 𝑘 ∨ 𝑘 < 𝑁)) | |
| 4 | 1, 2, 3 | syl2an 597 | . . . . . . 7 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑁 ≤ 𝑘 ∨ 𝑘 < 𝑁)) |
| 5 | eluzelz 12798 | . . . . . . . . 9 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ) | |
| 6 | eluzelz 12798 | . . . . . . . . 9 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → 𝑘 ∈ ℤ) | |
| 7 | eluz 12802 | . . . . . . . . 9 ⊢ ((𝑁 ∈ ℤ ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ (ℤ≥‘𝑁) ↔ 𝑁 ≤ 𝑘)) | |
| 8 | 5, 6, 7 | syl2an 597 | . . . . . . . 8 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑘 ∈ (ℤ≥‘𝑁) ↔ 𝑁 ≤ 𝑘)) |
| 9 | eluzle 12801 | . . . . . . . . . . 11 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → 𝑀 ≤ 𝑘) | |
| 10 | 6, 9 | jca 511 | . . . . . . . . . 10 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘)) |
| 11 | 10 | adantl 481 | . . . . . . . . 9 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘)) |
| 12 | eluzel2 12793 | . . . . . . . . . 10 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ) | |
| 13 | elfzm11 13549 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑘 ∈ (𝑀...(𝑁 − 1)) ↔ (𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘 ∧ 𝑘 < 𝑁))) | |
| 14 | df-3an 1089 | . . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘 ∧ 𝑘 < 𝑁) ↔ ((𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘) ∧ 𝑘 < 𝑁)) | |
| 15 | 13, 14 | bitrdi 287 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑘 ∈ (𝑀...(𝑁 − 1)) ↔ ((𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘) ∧ 𝑘 < 𝑁))) |
| 16 | 12, 5, 15 | syl2anr 598 | . . . . . . . . 9 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑘 ∈ (𝑀...(𝑁 − 1)) ↔ ((𝑘 ∈ ℤ ∧ 𝑀 ≤ 𝑘) ∧ 𝑘 < 𝑁))) |
| 17 | 11, 16 | mpbirand 708 | . . . . . . . 8 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑘 ∈ (𝑀...(𝑁 − 1)) ↔ 𝑘 < 𝑁)) |
| 18 | 8, 17 | orbi12d 919 | . . . . . . 7 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝑘 ∈ (ℤ≥‘𝑁) ∨ 𝑘 ∈ (𝑀...(𝑁 − 1))) ↔ (𝑁 ≤ 𝑘 ∨ 𝑘 < 𝑁))) |
| 19 | 4, 18 | mpbird 257 | . . . . . 6 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑘 ∈ (ℤ≥‘𝑁) ∨ 𝑘 ∈ (𝑀...(𝑁 − 1)))) |
| 20 | 19 | orcomd 872 | . . . . 5 ⊢ ((𝑁 ∈ (ℤ≥‘𝑀) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝑘 ∈ (𝑀...(𝑁 − 1)) ∨ 𝑘 ∈ (ℤ≥‘𝑁))) |
| 21 | 20 | ex 412 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ (𝑀...(𝑁 − 1)) ∨ 𝑘 ∈ (ℤ≥‘𝑁)))) |
| 22 | elfzuz 13474 | . . . . . 6 ⊢ (𝑘 ∈ (𝑀...(𝑁 − 1)) → 𝑘 ∈ (ℤ≥‘𝑀)) | |
| 23 | 22 | a1i 11 | . . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ (𝑀...(𝑁 − 1)) → 𝑘 ∈ (ℤ≥‘𝑀))) |
| 24 | uztrn 12806 | . . . . . 6 ⊢ ((𝑘 ∈ (ℤ≥‘𝑁) ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑘 ∈ (ℤ≥‘𝑀)) | |
| 25 | 24 | expcom 413 | . . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ (ℤ≥‘𝑁) → 𝑘 ∈ (ℤ≥‘𝑀))) |
| 26 | 23, 25 | jaod 860 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → ((𝑘 ∈ (𝑀...(𝑁 − 1)) ∨ 𝑘 ∈ (ℤ≥‘𝑁)) → 𝑘 ∈ (ℤ≥‘𝑀))) |
| 27 | 21, 26 | impbid 212 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ (ℤ≥‘𝑀) ↔ (𝑘 ∈ (𝑀...(𝑁 − 1)) ∨ 𝑘 ∈ (ℤ≥‘𝑁)))) |
| 28 | elun 4093 | . . 3 ⊢ (𝑘 ∈ ((𝑀...(𝑁 − 1)) ∪ (ℤ≥‘𝑁)) ↔ (𝑘 ∈ (𝑀...(𝑁 − 1)) ∨ 𝑘 ∈ (ℤ≥‘𝑁))) | |
| 29 | 27, 28 | bitr4di 289 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑘 ∈ (ℤ≥‘𝑀) ↔ 𝑘 ∈ ((𝑀...(𝑁 − 1)) ∪ (ℤ≥‘𝑁)))) |
| 30 | 29 | eqrdv 2734 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (ℤ≥‘𝑀) = ((𝑀...(𝑁 − 1)) ∪ (ℤ≥‘𝑁))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∨ wo 848 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∪ cun 3887 class class class wbr 5085 ‘cfv 6498 (class class class)co 7367 ℝcr 11037 1c1 11039 < clt 11179 ≤ cle 11180 − cmin 11377 ℤcz 12524 ℤ≥cuz 12788 ...cfz 13461 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-n0 12438 df-z 12525 df-uz 12789 df-fz 13462 |
| This theorem is referenced by: nn0split 13597 uniioombllem3 25552 uniioombllem4 25553 plyaddlem1 26178 plymullem1 26179 trclfvdecomr 44155 nnsplit 45788 sbgoldbo 48263 aacllem 50276 |
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