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| Mirrors > Home > MPE Home > Th. List > fzoss2 | Structured version Visualization version GIF version | ||
| Description: Subset relationship for half-open sequences of integers. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 29-Sep-2015.) |
| Ref | Expression |
|---|---|
| fzoss2 | ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝑀..^𝐾) ⊆ (𝑀..^𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eluzel2 12885 | . . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝐾 ∈ ℤ) | |
| 2 | peano2zm 12654 | . . . . 5 ⊢ (𝐾 ∈ ℤ → (𝐾 − 1) ∈ ℤ) | |
| 3 | 1, 2 | syl 18 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝐾 − 1) ∈ ℤ) |
| 4 | 1zzd 12642 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 1 ∈ ℤ) | |
| 5 | id 23 | . . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝑁 ∈ (ℤ≥‘𝐾)) | |
| 6 | 1 | zcnd 12719 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝐾 ∈ ℂ) |
| 7 | ax-1cn 11175 | . . . . . . 7 ⊢ 1 ∈ ℂ | |
| 8 | npcan 11483 | . . . . . . 7 ⊢ ((𝐾 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝐾 − 1) + 1) = 𝐾) | |
| 9 | 6, 7, 8 | sylancl 598 | . . . . . 6 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → ((𝐾 − 1) + 1) = 𝐾) |
| 10 | 9 | fveq2d 6889 | . . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (ℤ≥‘((𝐾 − 1) + 1)) = (ℤ≥‘𝐾)) |
| 11 | 5, 10 | eleqtrrd 2868 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝑁 ∈ (ℤ≥‘((𝐾 − 1) + 1))) |
| 12 | eluzsub 12910 | . . . 4 ⊢ (((𝐾 − 1) ∈ ℤ ∧ 1 ∈ ℤ ∧ 𝑁 ∈ (ℤ≥‘((𝐾 − 1) + 1))) → (𝑁 − 1) ∈ (ℤ≥‘(𝐾 − 1))) | |
| 13 | 3, 4, 11, 12 | syl3anc 1398 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝑁 − 1) ∈ (ℤ≥‘(𝐾 − 1))) |
| 14 | fzss2 13611 | . . 3 ⊢ ((𝑁 − 1) ∈ (ℤ≥‘(𝐾 − 1)) → (𝑀...(𝐾 − 1)) ⊆ (𝑀...(𝑁 − 1))) | |
| 15 | 13, 14 | syl 18 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝑀...(𝐾 − 1)) ⊆ (𝑀...(𝑁 − 1))) |
| 16 | fzoval 13707 | . . 3 ⊢ (𝐾 ∈ ℤ → (𝑀..^𝐾) = (𝑀...(𝐾 − 1))) | |
| 17 | 1, 16 | syl 18 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝑀..^𝐾) = (𝑀...(𝐾 − 1))) |
| 18 | eluzelz 12890 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝑁 ∈ ℤ) | |
| 19 | fzoval 13707 | . . 3 ⊢ (𝑁 ∈ ℤ → (𝑀..^𝑁) = (𝑀...(𝑁 − 1))) | |
| 20 | 18, 19 | syl 18 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝑀..^𝑁) = (𝑀...(𝑁 − 1))) |
| 21 | 15, 17, 20 | 3sstr4d 3993 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → (𝑀..^𝐾) ⊆ (𝑀..^𝑁)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 ⊆ wss 3906 ‘cfv 6540 (class class class)co 7419 ℂcc 11115 1c1 11118 + caddc 11120 − cmin 11458 ℤcz 12608 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 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 ax-pre-mulgt0 11194 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-sub 11460 df-neg 11461 df-nn 12251 df-n0 12522 df-z 12609 df-uz 12881 df-fz 13554 df-fzo 13702 |
| This theorem is used by: fzossrbm1 13736 fzosplit 13740 elfzoextl 13769 fzossfzop1 13791 uzindi 14038 ccatdmss 14639 ccatass 14646 ccatrn 14647 ccatalpha 14652 swrdval2 14706 swrdf1 14711 swrdrn3 14714 pfxres 14741 pfxf 14742 pfxccat1 14763 pfxccatin12lem2a 14788 splfv1 14816 revccat 14827 repswpfx 14848 pfxchn 18690 chnub 18702 psgnunilem5 19610 efgsp1 19853 efgsres 19854 wlkres 30078 pfxwlk 30095 trlreslem 30111 crctcshwlkn0lem4 30231 wwlksm1edg 30299 wwlksnred 30310 clwwlkccatlem 30409 clwlkclwwlklem2fv1 30415 clwlkclwwlklem2 30420 clwwisshclwwslem 30434 clwwlkinwwlk 30460 clwwlkf 30467 wwlksubclwwlk 30478 trlsegvdeg 30651 iundisjfi 33213 fz1nntr 33219 wrdres 33327 pfxf1 33334 swrdrn2 33342 swrdrndisj 33343 cycpmco2rn 33511 cycpmco2lem6 33517 cycpmco2lem7 33518 cycpmconjslem2 33541 measiuns 34674 signstfvp 35025 signstfvc 35028 signstres 35029 signsvfn 35036 prodfzo03 35057 breprexplemc 35086 ceilhalfelfzo1 48131 iccpartres 48227 iccpartigtl 48232 iccelpart 48242 gpgedgvtx1 48887 |
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