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| Mirrors > Home > MPE Home > Th. List > 1dvds | Structured version Visualization version GIF version | ||
| Description: 1 divides any integer. Theorem 1.1(f) in [ApostolNT] p. 14. (Contributed by Paul Chapman, 21-Mar-2011.) |
| Ref | Expression |
|---|---|
| 1dvds | ⊢ (𝑁 ∈ ℤ → 1 ∥ 𝑁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcn 12595 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mulridd 11225 | . 2 ⊢ (𝑁 ∈ ℤ → (𝑁 · 1) = 𝑁) |
| 3 | 1z 12623 | . . . 4 ⊢ 1 ∈ ℤ | |
| 4 | dvds0lem 16323 | . . . 4 ⊢ (((𝑁 ∈ ℤ ∧ 1 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝑁 · 1) = 𝑁) → 1 ∥ 𝑁) | |
| 5 | 3, 4 | mp3anl2 1483 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝑁 · 1) = 𝑁) → 1 ∥ 𝑁) |
| 6 | 5 | anabsan 677 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (𝑁 · 1) = 𝑁) → 1 ∥ 𝑁) |
| 7 | 2, 6 | mpdan 699 | 1 ⊢ (𝑁 ∈ ℤ → 1 ∥ 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: dvds1 16376 gcdcllem1 16556 gcdcllem3 16558 lcmfunsnlem 16698 coprmproddvds 16720 1idssfct 16737 isprm2lem 16738 dvdsprime 16744 pclem 16897 prmreclem1 16975 oddvdssubg 19924 perfectlem2 27370 oddpwdc 34710 perfectALTVlem2 48432 |
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