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| Mirrors > Home > MPE Home > Th. List > iddvds | Structured version Visualization version GIF version | ||
| Description: An integer divides itself. Theorem 1.1(a) in [ApostolNT] p. 14 (reflexive property of the divides relation). (Contributed by Paul Chapman, 21-Mar-2011.) |
| Ref | Expression |
|---|---|
| iddvds | ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcn 12583 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mullidd 11211 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
| 3 | 1z 12611 | . . . 4 ⊢ 1 ∈ ℤ | |
| 4 | dvds0lem 16310 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
| 5 | 3, 4 | mp3anl1 1477 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 6 | 5 | anabsan 675 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 7 | 2, 6 | mpdan 697 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1561 ∈ wcel 2143 class class class wbr 5101 (class class class)co 7396 1c1 11085 · cmul 11089 ℤcz 12578 ∥ cdvds 16296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pr 5391 ax-un 7718 ax-resscn 11141 ax-1cn 11142 ax-icn 11143 ax-addcl 11144 ax-addrcl 11145 ax-mulcl 11146 ax-mulrcl 11147 ax-mulcom 11148 ax-mulass 11150 ax-distr 11151 ax-i2m1 11152 ax-1ne0 11153 ax-1rid 11154 ax-rrecex 11156 ax-cnre 11157 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3078 df-rex 3088 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-ov 7399 df-om 7847 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-neg 11428 df-nn 12221 df-z 12579 df-dvds 16297 |
| This theorem is referenced by: dvdsadd 16346 dvds1 16363 dvdsext 16365 z2even 16414 divalglem0 16437 divalglem2 16439 sadadd3 16505 gcd0id 16563 gcdzeq 16596 mulgcddvds 16699 1idssfct 16724 isprm2lem 16725 dvdsprime 16731 dvdsprm 16748 exprmfct 16749 coprm 16756 isprm6 16759 pcidlem 16918 pcprmpw2 16928 pcprmpw 16929 prmgaplem1 17095 prmgaplem2 17096 prmgaplcmlem1 17097 prmgaplcmlem2 17098 odeq 19600 pgpfi 19655 znidomb 21620 sgmnncl 27218 muinv 27264 ppiublem2 27274 perfect1 27299 perfectlem2 27301 2sqlem6 27494 ex-ind-dvds 30670 2sqr3nconstr 34080 cos9thpinconstrlem2 34089 eulerpartlemt 34670 dfgcd3 37821 poimirlem25 38149 poimirlem27 38151 aks4d1p9 42710 unitscyglem2 42818 unitscyglem4 42820 jm2.18 43570 jm2.15nn0 43585 jm2.16nn0 43586 jm2.27c 43589 nzss 44884 etransclem25 46824 perfectALTVlem2 48335 |
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