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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 12930 | . . . 4 ⊢ (𝐴 ∈ ℕ ↔ 𝐴 ∈ (ℤ≥‘1)) | |
| 2 | 1 | biimpi 219 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (ℤ≥‘1)) |
| 3 | nnz 12639 | . . . 4 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ) | |
| 4 | uzid 12905 | . . . 4 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ (ℤ≥‘𝐴)) | |
| 5 | 3, 4 | syl 18 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (ℤ≥‘𝐴)) |
| 6 | eluzfz 13576 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘1) ∧ 𝐴 ∈ (ℤ≥‘𝐴)) → 𝐴 ∈ (1...𝐴)) | |
| 7 | 2, 5, 6 | syl2anc 596 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ (1...𝐴)) |
| 8 | elfznn 13611 | . 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 2145 ‘cfv 6533 (class class class)co 7414 1c1 11128 ℕcn 12260 ℤcz 12618 ℤ≥cuz 12890 ...cfz 13564 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-z 12619 df-uz 12891 df-fz 13565 |
| This theorem is used by: pfxtrcfv 14765 prmind2 16778 1stcfb 23673 imasdsf1olem 24602 taylthlem1 26612 birthdaylem1 27191 2sqlem10 27667 cyclnumvtx 30270 clwwlkvbij 30586 cycpmfv2 33557 submat1n 34318 subfacp1lem6 35767 erdszelem4 35776 erdszelem8 35780 poimirlem4 38376 poimirlem6 38378 poimirlem7 38379 poimirlem16 38388 poimirlem19 38391 poimirlem20 38392 poimirlem23 38395 rexrabdioph 43638 2rexfrabdioph 43640 3rexfrabdioph 43641 4rexfrabdioph 43642 6rexfrabdioph 43643 7rexfrabdioph 43644 elnn0rabdioph 43647 dvdsrabdioph 43654 jm2.27dlem3 43855 3elfz13 50781 |
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