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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 11974 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
2 | 1 | mulid2d 10648 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
3 | 1z 12000 | . . . 4 ⊢ 1 ∈ ℤ | |
4 | dvds0lem 15612 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
5 | 3, 4 | mp3anl1 1452 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
6 | 5 | anabsan 664 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
7 | 2, 6 | mpdan 686 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 class class class wbr 5030 (class class class)co 7135 1c1 10527 · cmul 10531 ℤcz 11969 ∥ cdvds 15599 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rrecex 10598 ax-cnre 10599 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-ov 7138 df-om 7561 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-neg 10862 df-nn 11626 df-z 11970 df-dvds 15600 |
This theorem is referenced by: dvdsadd 15644 dvds1 15661 dvdsext 15663 z2even 15711 divalglem0 15734 divalglem2 15736 sadadd3 15800 gcd0id 15857 gcdzeq 15892 mulgcddvds 15989 1idssfct 16014 isprm2lem 16015 dvdsprime 16021 dvdsprm 16037 exprmfct 16038 coprm 16045 isprm6 16048 pcidlem 16198 pcprmpw2 16208 pcprmpw 16209 prmgaplem1 16375 prmgaplem2 16376 prmgaplcmlem1 16377 prmgaplcmlem2 16378 odeq 18670 pgpfi 18722 znidomb 20253 sgmnncl 25732 muinv 25778 ppiublem2 25787 perfect1 25812 perfectlem2 25814 2sqlem6 26007 ex-ind-dvds 28246 eulerpartlemt 31739 dfgcd3 34738 poimirlem25 35082 poimirlem27 35084 jm2.18 39929 jm2.15nn0 39944 jm2.16nn0 39945 jm2.27c 39948 nzss 41021 etransclem25 42901 perfectALTVlem2 44240 |
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