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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 12890 | . . . . 5 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → 𝐵 ∈ ℤ) | |
| 3 | uzid 12895 | . . . . 5 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ (ℤ≥‘𝐵)) | |
| 4 | peano2uz 12943 | . . . . 5 ⊢ (𝐵 ∈ (ℤ≥‘𝐵) → (𝐵 + 1) ∈ (ℤ≥‘𝐵)) | |
| 5 | 2, 3, 4 | 3syl 19 | . . . 4 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐵 + 1) ∈ (ℤ≥‘𝐵)) |
| 6 | elfzuzb 13564 | . . . 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 13740 | . . 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 13784 | . . . 4 ⊢ (𝐵 ∈ ℤ → (𝐵..^(𝐵 + 1)) = {𝐵}) | |
| 11 | 2, 10 | syl 18 | . . 3 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → (𝐵..^(𝐵 + 1)) = {𝐵}) |
| 12 | 11 | uneq2d 4125 | . 2 ⊢ (𝐵 ∈ (ℤ≥‘𝐴) → ((𝐴..^𝐵) ∪ (𝐵..^(𝐵 + 1))) = ((𝐴..^𝐵) ∪ {𝐵})) |
| 13 | 9, 12 | eqtrd 2801 | 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 2146 ∪ cun 3906 {csn 4594 ‘cfv 6543 (class class class)co 7423 1c1 11119 + caddc 11121 ℤcz 12609 ℤ≥cuz 12880 ...cfz 13553 ..^cfzo 13701 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-nn 12252 df-n0 12523 df-z 12610 df-uz 12881 df-fz 13554 df-fzo 13702 |
| This theorem is used by: fzosplitpr 13825 fzosplitsni 13827 fzisfzounsn 13828 cats1un 14782 bitsinv1 16525 bitsinvp1 16532 chnccats1 18706 gsmsymgrfixlem1 19528 gsmsymgreqlem2 19532 efgsp1 19838 pgpfaclem1 20184 tgcgr4 28837 wlkp1lem8 30065 wlkp1 30066 crctcshwlkn0lem7 30202 clwlkclwwlklem2a1 30380 clwwlkel 30434 clwwlkwwlksb 30442 wwlksext2clwwlk 30445 eupthp1 30604 fzodif2 33173 fiunelros 34596 signsplypnf 34969 prodfzo03 35022 reprsuc 35034 breprexplema 35049 breprexplemc 35051 nnsum4primeseven 48606 nnsum4primesevenALTV 48607 gpgprismgr4cycllem7 48907 |
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