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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 12823 | . . . 4 ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (ℤ≥‘1)) | |
| 2 | 1 | biimpi 218 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (ℤ≥‘1)) |
| 3 | nnz 12540 | . . . 4 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ) | |
| 4 | uzid 12798 | . . . 4 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ (ℤ≥‘𝐴)) | |
| 5 | 3, 4 | syl 17 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (ℤ≥‘𝐴)) |
| 6 | eluzfz 13468 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘1) ∧ 𝐴 ∈ (ℤ≥‘𝐴)) → 𝐴 ∈ (1...𝐴)) | |
| 7 | 2, 5, 6 | syl2anc 591 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (1...𝐴)) |
| 8 | elfznn 13502 | . 2 ⊢ (𝐴 ∈ (1...𝐴) → 𝐴 ∈ ℕ) | |
| 9 | 7, 8 | impbii 211 | 1 ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (1...𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∈ wcel 2121 ‘cfv 6489 (class class class)co 7360 1c1 11034 ℕcn 12169 ℤcz 12519 ℤ≥cuz 12783 ...cfz 13456 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-nn 12170 df-z 12520 df-uz 12784 df-fz 13457 |
| This theorem is referenced by: pfxtrcfv 14650 prmind2 16649 1stcfb 23432 imasdsf1olem 24360 taylthlem1 26360 birthdaylem1 26937 2sqlem10 27413 cyclnumvtx 29890 clwwlkvbij 30205 cycpmfv2 33199 submat1n 34001 subfacp1lem6 35428 erdszelem4 35437 erdszelem8 35441 poimirlem4 38006 poimirlem6 38008 poimirlem7 38009 poimirlem16 38018 poimirlem19 38021 poimirlem20 38022 poimirlem23 38025 rexrabdioph 43254 2rexfrabdioph 43256 3rexfrabdioph 43257 4rexfrabdioph 43258 6rexfrabdioph 43259 7rexfrabdioph 43260 elnn0rabdioph 43263 dvdsrabdioph 43270 jm2.27dlem3 43471 |
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