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| Mirrors > Home > MPE Home > Th. List > fzosplitsn | Structured version Visualization version GIF version | ||
| Description: Extending a half-open range by a singleton on the end. (Contributed by Stefan O'Rear, 23-Aug-2015.) |
| Ref | Expression |
|---|---|
| fzosplitsn | ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐴..^(𝐵 + 1)) = ((𝐴..^𝐵) ∪ {𝐵})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 23 | . . . 4 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ (ℤ≥‘𝐴)) | |
| 2 | eluzelz 12901 | . . . . 5 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ ℤ) | |
| 3 | uzid 12906 | . . . . 5 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ (ℤ≥‘𝐵)) | |
| 4 | peano2uz 12954 | . . . . 5 ⊢ (𝐵 ∈ (ℤ≥‘𝐵) → (𝐵 + 1) ∈ (ℤ≥‘𝐵)) | |
| 5 | 2, 3, 4 | 3syl 19 | . . . 4 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐵 + 1) ∈ (ℤ≥‘𝐵)) |
| 6 | elfzuzb 13576 | . . . 4 ⊢ (𝐵 ∈ (𝐴...(𝐵 + 1)) ↔ (𝐵 ∈ (ℤ≥‘𝐴) ∧ (𝐵 + 1) ∈ (ℤ≥‘𝐵))) | |
| 7 | 1, 5, 6 | sylanbrc 595 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ (𝐴...(𝐵 + 1))) |
| 8 | fzosplit 13752 | . . 3 ⊢ (𝐵 ∈ (𝐴...(𝐵 + 1)) → (𝐴..^(𝐵 + 1)) = ((𝐴..^𝐵) ∪ (𝐵..^(𝐵 + 1)))) | |
| 9 | 7, 8 | syl 18 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐴..^(𝐵 + 1)) = ((𝐴..^𝐵) ∪ (𝐵..^(𝐵 + 1)))) |
| 10 | fzosn 13796 | . . . 4 ⊢ (𝐵 ∈ ℤ → (𝐵..^(𝐵 + 1)) = {𝐵}) | |
| 11 | 2, 10 | syl 18 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐵..^(𝐵 + 1)) = {𝐵}) |
| 12 | 11 | uneq2d 4118 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → ((𝐴..^𝐵) ∪ (𝐵..^(𝐵 + 1))) = ((𝐴..^𝐵) ∪ {𝐵})) |
| 13 | 9, 12 | eqtrd 2797 | 1 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐴..^(𝐵 + 1)) = ((𝐴..^𝐵) ∪ {𝐵})) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∪ cun 3900 {csn 4587 ‘cfv 6537 (class class class)co 7417 1c1 11129 + caddc 11131 ℤcz 12619 ℤ≥cuz 12891 ...cfz 13565 ..^cfzo 13713 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-n0 12533 df-z 12620 df-uz 12892 df-fz 13566 df-fzo 13714 |
| This theorem is used by: fzosplitpr 13837 fzosplitsni 13839 fzisfzounsn 13840 cats1un 14794 bitsinv1 16538 bitsinvp1 16545 chnccats1 18719 gsmsymgrfixlem1 19560 gsmsymgreqlem2 19564 efgsp1 19870 pgpfaclem1 20216 tgcgr4 28881 wlkp1lem8 30146 wlkp1 30147 crctcshwlkn0lem7 30292 clwlkclwwlklem2a1 30470 clwwlkel 30524 clwwlkwwlksb 30532 wwlksext2clwwlk 30535 eupthp1 30704 fzodif2 33270 fiunelros 34693 signsplypnf 35066 prodfzo03 35119 reprsuc 35131 breprexplema 35146 breprexplemc 35148 nnsum4primeseven 48724 nnsum4primesevenALTV 48725 gpgprismgr4cycllem7 49025 |
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