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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 11566 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
2 | 1 | mulid2d 10242 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
3 | 1z 11591 | . . . 4 ⊢ 1 ∈ ℤ | |
4 | dvds0lem 15186 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
5 | 3, 4 | mp3anl1 1559 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
6 | 5 | anabsan 889 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
7 | 2, 6 | mpdan 705 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1624 ∈ wcel 2131 class class class wbr 4796 (class class class)co 6805 1c1 10121 · cmul 10125 ℤcz 11561 ∥ cdvds 15174 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1863 ax-4 1878 ax-5 1980 ax-6 2046 ax-7 2082 ax-8 2133 ax-9 2140 ax-10 2160 ax-11 2175 ax-12 2188 ax-13 2383 ax-ext 2732 ax-sep 4925 ax-nul 4933 ax-pow 4984 ax-pr 5047 ax-un 7106 ax-resscn 10177 ax-1cn 10178 ax-icn 10179 ax-addcl 10180 ax-addrcl 10181 ax-mulcl 10182 ax-mulrcl 10183 ax-mulcom 10184 ax-addass 10185 ax-mulass 10186 ax-distr 10187 ax-i2m1 10188 ax-1ne0 10189 ax-1rid 10190 ax-rnegex 10191 ax-rrecex 10192 ax-cnre 10193 ax-pre-lttri 10194 ax-pre-lttrn 10195 ax-pre-ltadd 10196 ax-pre-mulgt0 10197 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1073 df-3an 1074 df-tru 1627 df-ex 1846 df-nf 1851 df-sb 2039 df-eu 2603 df-mo 2604 df-clab 2739 df-cleq 2745 df-clel 2748 df-nfc 2883 df-ne 2925 df-nel 3028 df-ral 3047 df-rex 3048 df-reu 3049 df-rab 3051 df-v 3334 df-sbc 3569 df-csb 3667 df-dif 3710 df-un 3712 df-in 3714 df-ss 3721 df-pss 3723 df-nul 4051 df-if 4223 df-pw 4296 df-sn 4314 df-pr 4316 df-tp 4318 df-op 4320 df-uni 4581 df-iun 4666 df-br 4797 df-opab 4857 df-mpt 4874 df-tr 4897 df-id 5166 df-eprel 5171 df-po 5179 df-so 5180 df-fr 5217 df-we 5219 df-xp 5264 df-rel 5265 df-cnv 5266 df-co 5267 df-dm 5268 df-rn 5269 df-res 5270 df-ima 5271 df-pred 5833 df-ord 5879 df-on 5880 df-lim 5881 df-suc 5882 df-iota 6004 df-fun 6043 df-fn 6044 df-f 6045 df-f1 6046 df-fo 6047 df-f1o 6048 df-fv 6049 df-riota 6766 df-ov 6808 df-oprab 6809 df-mpt2 6810 df-om 7223 df-wrecs 7568 df-recs 7629 df-rdg 7667 df-er 7903 df-en 8114 df-dom 8115 df-sdom 8116 df-pnf 10260 df-mnf 10261 df-xr 10262 df-ltxr 10263 df-le 10264 df-sub 10452 df-neg 10453 df-nn 11205 df-z 11562 df-dvds 15175 |
This theorem is referenced by: dvdsadd 15218 dvds1 15235 dvdsext 15237 z2even 15300 n2dvds3 15301 divalglem0 15310 divalglem2 15312 sadadd3 15377 gcd0id 15434 gcdzeq 15465 mulgcddvds 15563 1idssfct 15587 isprm2lem 15588 dvdsprime 15594 3prm 15600 dvdsprm 15609 exprmfct 15610 coprm 15617 isprm6 15620 pcidlem 15770 pcprmpw2 15780 pcprmpw 15781 prmgaplem1 15947 prmgaplem2 15948 prmgaplcmlem1 15949 prmgaplcmlem2 15950 odeq 18161 pgpfi 18212 znidomb 20104 sgmnncl 25064 muinv 25110 ppiublem2 25119 perfect1 25144 perfectlem2 25146 2lgslem2 25311 2lgs2 25321 2sqlem6 25339 eupth2lem3lem3 27374 ex-ind-dvds 27621 eulerpartlemt 30734 dfgcd3 33473 poimirlem25 33739 poimirlem27 33741 jm2.18 38049 jm2.15nn0 38064 jm2.16nn0 38065 jm2.27c 38068 nzss 39010 etransclem25 40971 perfectALTVlem2 42133 |
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