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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 216 | . . 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 585 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (1...𝐴)) |
| 8 | elfznn 13502 | . 2 ⊢ (𝐴 ∈ (1...𝐴) → 𝐴 ∈ ℕ) | |
| 9 | 7, 8 | impbii 209 | 1 ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (1...𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∈ wcel 2114 ‘cfv 6494 (class class class)co 7362 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 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 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 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5521 df-eprel 5526 df-po 5534 df-so 5535 df-fr 5579 df-we 5581 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-pred 6261 df-ord 6322 df-on 6323 df-lim 6324 df-suc 6325 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-riota 7319 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7813 df-1st 7937 df-2nd 7938 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 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 23424 imasdsf1olem 24352 taylthlem1 26354 birthdaylem1 26932 2sqlem10 27409 cyclnumvtx 29887 clwwlkvbij 30202 cycpmfv2 33194 submat1n 33969 subfacp1lem6 35387 erdszelem4 35396 erdszelem8 35400 poimirlem4 37963 poimirlem6 37965 poimirlem7 37966 poimirlem16 37975 poimirlem19 37978 poimirlem20 37979 poimirlem23 37982 rexrabdioph 43244 2rexfrabdioph 43246 3rexfrabdioph 43247 4rexfrabdioph 43248 6rexfrabdioph 43249 7rexfrabdioph 43250 elnn0rabdioph 43253 dvdsrabdioph 43260 jm2.27dlem3 43461 |
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