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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 12595 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mullidd 11226 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
| 3 | 1z 12623 | . . . 4 ⊢ 1 ∈ ℤ | |
| 4 | dvds0lem 16323 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
| 5 | 3, 4 | mp3anl1 1482 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 6 | 5 | anabsan 677 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 7 | 2, 6 | mpdan 699 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1568 ∈ wcel 2141 class class class wbr 5108 (class class class)co 7410 1c1 11100 · cmul 11104 ℤcz 12590 ∥ cdvds 16309 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5256 ax-nul 5268 ax-pr 5404 ax-un 7732 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rrecex 11171 ax-cnre 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-om 7862 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-neg 11443 df-nn 12233 df-z 12591 df-dvds 16310 |
| This theorem is referenced by: dvdsadd 16359 dvds1 16376 dvdsext 16378 z2even 16427 divalglem0 16450 divalglem2 16452 sadadd3 16518 gcd0id 16576 gcdzeq 16609 mulgcddvds 16712 1idssfct 16737 isprm2lem 16738 dvdsprime 16744 dvdsprm 16761 exprmfct 16762 coprm 16769 isprm6 16772 pcidlem 16931 pcprmpw2 16941 pcprmpw 16942 prmgaplem1 17108 prmgaplem2 17109 prmgaplcmlem1 17110 prmgaplcmlem2 17111 odeq 19619 pgpfi 19674 znidomb 21690 sgmnncl 27287 muinv 27333 ppiublem2 27343 perfect1 27368 perfectlem2 27370 2sqlem6 27563 ex-ind-dvds 30778 2sqr3nconstr 34137 cos9thpinconstrlem2 34146 eulerpartlemt 34727 dfgcd3 37912 poimirlem25 38240 poimirlem27 38242 aks4d1p9 42801 unitscyglem2 42909 unitscyglem4 42911 jm2.18 43663 jm2.15nn0 43678 jm2.16nn0 43679 jm2.27c 43682 nzss 44975 etransclem25 46921 perfectALTVlem2 48432 |
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