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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 12497 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mullidd 11154 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
| 3 | 1z 12525 | . . . 4 ⊢ 1 ∈ ℤ | |
| 4 | dvds0lem 16197 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
| 5 | 3, 4 | mp3anl1 1458 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 6 | 5 | anabsan 666 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
| 7 | 2, 6 | mpdan 688 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 class class class wbr 5099 (class class class)co 7360 1c1 11031 · cmul 11035 ℤcz 12492 ∥ cdvds 16183 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5242 ax-nul 5252 ax-pr 5378 ax-un 7682 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rrecex 11102 ax-cnre 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7363 df-om 7811 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-neg 11371 df-nn 12150 df-z 12493 df-dvds 16184 |
| This theorem is referenced by: dvdsadd 16233 dvds1 16250 dvdsext 16252 z2even 16301 divalglem0 16324 divalglem2 16326 sadadd3 16392 gcd0id 16450 gcdzeq 16483 mulgcddvds 16586 1idssfct 16611 isprm2lem 16612 dvdsprime 16618 dvdsprm 16634 exprmfct 16635 coprm 16642 isprm6 16645 pcidlem 16804 pcprmpw2 16814 pcprmpw 16815 prmgaplem1 16981 prmgaplem2 16982 prmgaplcmlem1 16983 prmgaplcmlem2 16984 odeq 19483 pgpfi 19538 znidomb 21520 sgmnncl 27117 muinv 27163 ppiublem2 27174 perfect1 27199 perfectlem2 27201 2sqlem6 27394 ex-ind-dvds 30519 2sqr3nconstr 33919 cos9thpinconstrlem2 33928 eulerpartlemt 34509 dfgcd3 37500 poimirlem25 37817 poimirlem27 37819 aks4d1p9 42379 unitscyglem2 42487 unitscyglem4 42489 jm2.18 43266 jm2.15nn0 43281 jm2.16nn0 43282 jm2.27c 43285 nzss 44594 etransclem25 46539 perfectALTVlem2 48004 |
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