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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 12523 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mullidd 11157 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
| 3 | 1z 12551 | . . . 4 ⊢ 1 ∈ ℤ | |
| 4 | dvds0lem 16229 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
| 5 | 3, 4 | mp3anl1 1459 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 6 | 5 | anabsan 667 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 7 | 2, 6 | mpdan 689 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2115 class class class wbr 5075 (class class class)co 7359 1c1 11033 · cmul 11037 ℤcz 12518 ∥ cdvds 16215 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1970 ax-7 2011 ax-8 2117 ax-9 2125 ax-10 2148 ax-11 2164 ax-12 2185 ax-ext 2708 ax-sep 5221 ax-nul 5231 ax-pr 5365 ax-un 7681 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rrecex 11104 ax-cnre 11105 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 850 df-3or 1089 df-3an 1090 df-tru 1546 df-fal 1556 df-ex 1783 df-nf 1787 df-sb 2070 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2932 df-ral 3051 df-rex 3061 df-reu 3342 df-rab 3389 df-v 3430 df-sbc 3727 df-csb 3835 df-dif 3889 df-un 3891 df-in 3893 df-ss 3903 df-pss 3906 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6255 df-ord 6316 df-on 6317 df-lim 6318 df-suc 6319 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-ov 7362 df-om 7810 df-2nd 7935 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-neg 11374 df-nn 12169 df-z 12519 df-dvds 16216 |
| This theorem is referenced by: dvdsadd 16265 dvds1 16282 dvdsext 16284 z2even 16333 divalglem0 16356 divalglem2 16358 sadadd3 16424 gcd0id 16482 gcdzeq 16515 mulgcddvds 16618 1idssfct 16643 isprm2lem 16644 dvdsprime 16650 dvdsprm 16667 exprmfct 16668 coprm 16675 isprm6 16678 pcidlem 16837 pcprmpw2 16847 pcprmpw 16848 prmgaplem1 17014 prmgaplem2 17015 prmgaplcmlem1 17016 prmgaplcmlem2 17017 odeq 19519 pgpfi 19574 znidomb 21539 sgmnncl 27131 muinv 27177 ppiublem2 27187 perfect1 27212 perfectlem2 27214 2sqlem6 27407 ex-ind-dvds 30552 2sqr3nconstr 33968 cos9thpinconstrlem2 33977 eulerpartlemt 34558 dfgcd3 37681 poimirlem25 38009 poimirlem27 38011 aks4d1p9 42570 unitscyglem2 42678 unitscyglem4 42680 jm2.18 43430 jm2.15nn0 43445 jm2.16nn0 43446 jm2.27c 43449 nzss 44758 etransclem25 46699 perfectALTVlem2 48210 |
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