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| Mirrors > Home > MPE Home > Th. List > elfz1end | Structured version Visualization version GIF version | ||
| Description: A nonempty finite range of integers contains its end point. (Contributed by Stefan O'Rear, 10-Oct-2014.) |
| Ref | Expression |
|---|---|
| elfz1end | ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (1...𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elnnuz 12906 | . . . 4 ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (ℤ≥‘1)) | |
| 2 | 1 | biimpi 219 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (ℤ≥‘1)) |
| 3 | nnz 12616 | . . . 4 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ) | |
| 4 | uzid 12881 | . . . 4 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ (ℤ≥‘𝐴)) | |
| 5 | 3, 4 | syl 18 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (ℤ≥‘𝐴)) |
| 6 | eluzfz 13551 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘1) ∧ 𝐴 ∈ (ℤ≥‘𝐴)) → 𝐴 ∈ (1...𝐴)) | |
| 7 | 2, 5, 6 | syl2anc 595 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (1...𝐴)) |
| 8 | elfznn 13586 | . 2 ⊢ (𝐴 ∈ (1...𝐴) → 𝐴 ∈ ℕ) | |
| 9 | 7, 8 | impbii 212 | 1 ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (1...𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∈ wcel 2143 ‘cfv 6536 (class class class)co 7410 1c1 11105 ℕcn 12237 ℤcz 12595 ℤ≥cuz 12866 ...cfz 13539 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11160 ax-resscn 11161 ax-1cn 11162 ax-icn 11163 ax-addcl 11164 ax-addrcl 11165 ax-mulcl 11166 ax-mulrcl 11167 ax-mulcom 11168 ax-addass 11169 ax-mulass 11170 ax-distr 11171 ax-i2m1 11172 ax-1ne0 11173 ax-1rid 11174 ax-rnegex 11175 ax-rrecex 11176 ax-cnre 11177 ax-pre-lttri 11178 ax-pre-lttrn 11179 ax-pre-ltadd 11180 ax-pre-mulgt0 11181 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11447 df-neg 11448 df-nn 12238 df-z 12596 df-uz 12867 df-fz 13540 |
| This theorem is used by: pfxtrcfv 14735 prmind2 16747 1stcfb 23611 imasdsf1olem 24539 taylthlem1 26545 birthdaylem1 27125 2sqlem10 27601 cyclnumvtx 30158 clwwlkvbij 30473 cycpmfv2 33443 submat1n 34204 subfacp1lem6 35685 erdszelem4 35694 erdszelem8 35698 poimirlem4 38303 poimirlem6 38305 poimirlem7 38306 poimirlem16 38315 poimirlem19 38318 poimirlem20 38319 poimirlem23 38322 rexrabdioph 43549 2rexfrabdioph 43551 3rexfrabdioph 43552 4rexfrabdioph 43553 6rexfrabdioph 43554 7rexfrabdioph 43555 elnn0rabdioph 43558 dvdsrabdioph 43565 jm2.27dlem3 43766 3elfz13 50654 |
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