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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 11987 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
2 | 1 | mulid2d 10659 | . 2 ⊢ (𝑁 ∈ ℤ → (1 · 𝑁) = 𝑁) |
3 | 1z 12013 | . . . 4 ⊢ 1 ∈ ℤ | |
4 | dvds0lem 15620 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) | |
5 | 3, 4 | mp3anl1 1451 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
6 | 5 | anabsan 663 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (1 · 𝑁) = 𝑁) → 𝑁 ∥ 𝑁) |
7 | 2, 6 | mpdan 685 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 class class class wbr 5066 (class class class)co 7156 1c1 10538 · cmul 10542 ℤcz 11982 ∥ cdvds 15607 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rrecex 10609 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-ov 7159 df-om 7581 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-neg 10873 df-nn 11639 df-z 11983 df-dvds 15608 |
This theorem is referenced by: dvdsadd 15652 dvds1 15669 dvdsext 15671 z2even 15720 n2dvds3OLD 15722 divalglem0 15744 divalglem2 15746 sadadd3 15810 gcd0id 15867 gcdzeq 15902 mulgcddvds 15999 1idssfct 16024 isprm2lem 16025 dvdsprime 16031 dvdsprm 16047 exprmfct 16048 coprm 16055 isprm6 16058 pcidlem 16208 pcprmpw2 16218 pcprmpw 16219 prmgaplem1 16385 prmgaplem2 16386 prmgaplcmlem1 16387 prmgaplcmlem2 16388 odeq 18678 pgpfi 18730 znidomb 20708 sgmnncl 25724 muinv 25770 ppiublem2 25779 perfect1 25804 perfectlem2 25806 2sqlem6 25999 ex-ind-dvds 28240 eulerpartlemt 31629 dfgcd3 34608 poimirlem25 34932 poimirlem27 34934 jm2.18 39634 jm2.15nn0 39649 jm2.16nn0 39650 jm2.27c 39653 nzss 40698 etransclem25 42593 perfectALTVlem2 43936 |
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