| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > nn0diffz0 | Structured version Visualization version GIF version | ||
| Description: Upper set of the nonnegative integers. (Contributed by Thierry Arnoux, 25-Jan-2026.) |
| Ref | Expression |
|---|---|
| nn0diffz0 | ⊢ (𝑁 ∈ ℕ0 → (ℕ0 ∖ (0...𝑁)) = (ℤ≥‘(𝑁 + 1))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0uz 12891 | . . . 4 ⊢ ℕ0 = (ℤ≥‘0) | |
| 2 | peano2nn0 12535 | . . . . . 6 ⊢ (𝑁 ∈ ℕ0 → (𝑁 + 1) ∈ ℕ0) | |
| 3 | 2, 1 | eleqtrdi 2875 | . . . . 5 ⊢ (𝑁 ∈ ℕ0 → (𝑁 + 1) ∈ (ℤ≥‘0)) |
| 4 | fzouzsplit 13714 | . . . . 5 ⊢ ((𝑁 + 1) ∈ (ℤ≥‘0) → (ℤ≥‘0) = ((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1)))) | |
| 5 | 3, 4 | syl 18 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → (ℤ≥‘0) = ((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1)))) |
| 6 | 1, 5 | eqtrid 2812 | . . 3 ⊢ (𝑁 ∈ ℕ0 → ℕ0 = ((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1)))) |
| 7 | 6 | difeq1d 4082 | . 2 ⊢ (𝑁 ∈ ℕ0 → (ℕ0 ∖ (0...𝑁)) = (((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1))) ∖ (0...𝑁))) |
| 8 | uncom 4114 | . . . 4 ⊢ ((ℤ≥‘(𝑁 + 1)) ∪ (0...𝑁)) = ((0...𝑁) ∪ (ℤ≥‘(𝑁 + 1))) | |
| 9 | nn0z 12606 | . . . . . 6 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℤ) | |
| 10 | fzval3 13754 | . . . . . 6 ⊢ (𝑁 ∈ ℤ → (0...𝑁) = (0..^(𝑁 + 1))) | |
| 11 | 9, 10 | syl 18 | . . . . 5 ⊢ (𝑁 ∈ ℕ0 → (0...𝑁) = (0..^(𝑁 + 1))) |
| 12 | 11 | uneq1d 4123 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → ((0...𝑁) ∪ (ℤ≥‘(𝑁 + 1))) = ((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1)))) |
| 13 | 8, 12 | eqtrid 2812 | . . 3 ⊢ (𝑁 ∈ ℕ0 → ((ℤ≥‘(𝑁 + 1)) ∪ (0...𝑁)) = ((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1)))) |
| 14 | 13 | difeq1d 4082 | . 2 ⊢ (𝑁 ∈ ℕ0 → (((ℤ≥‘(𝑁 + 1)) ∪ (0...𝑁)) ∖ (0...𝑁)) = (((0..^(𝑁 + 1)) ∪ (ℤ≥‘(𝑁 + 1))) ∖ (0...𝑁))) |
| 15 | 11 | ineq2d 4175 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → ((ℤ≥‘(𝑁 + 1)) ∩ (0...𝑁)) = ((ℤ≥‘(𝑁 + 1)) ∩ (0..^(𝑁 + 1)))) |
| 16 | fzouzdisj 13715 | . . . . 5 ⊢ ((0..^(𝑁 + 1)) ∩ (ℤ≥‘(𝑁 + 1))) = ∅ | |
| 17 | 16 | ineqcomi 4166 | . . . 4 ⊢ ((ℤ≥‘(𝑁 + 1)) ∩ (0..^(𝑁 + 1))) = ∅ |
| 18 | 15, 17 | eqtrdi 2816 | . . 3 ⊢ (𝑁 ∈ ℕ0 → ((ℤ≥‘(𝑁 + 1)) ∩ (0...𝑁)) = ∅) |
| 19 | undif5 4441 | . . 3 ⊢ (((ℤ≥‘(𝑁 + 1)) ∩ (0...𝑁)) = ∅ → (((ℤ≥‘(𝑁 + 1)) ∪ (0...𝑁)) ∖ (0...𝑁)) = (ℤ≥‘(𝑁 + 1))) | |
| 20 | 18, 19 | syl 18 | . 2 ⊢ (𝑁 ∈ ℕ0 → (((ℤ≥‘(𝑁 + 1)) ∪ (0...𝑁)) ∖ (0...𝑁)) = (ℤ≥‘(𝑁 + 1))) |
| 21 | 7, 14, 20 | 3eqtr2d 2806 | 1 ⊢ (𝑁 ∈ ℕ0 → (ℕ0 ∖ (0...𝑁)) = (ℤ≥‘(𝑁 + 1))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1563 ∈ wcel 2145 ∖ cdif 3904 ∪ cun 3905 ∩ cin 3906 ∅c0 4288 ‘cfv 6525 (class class class)co 7400 0cc0 11088 1c1 11089 + caddc 11091 ℕ0cn0 12495 ℤcz 12582 ℤ≥cuz 12853 ...cfz 13526 ..^cfzo 13673 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12225 df-n0 12496 df-z 12583 df-uz 12854 df-fz 13527 df-fzo 13674 |
| This theorem is referenced by: ply1coedeg 33796 esplyfval2 33872 esplyfval3 33879 |
| Copyright terms: Public domain | W3C validator |