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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 12498 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mulridd 11154 | . 2 ⊢ (𝑁 ∈ ℤ → (𝑁 · 1) = 𝑁) |
| 3 | 1z 12526 | . . . 4 ⊢ 1 ∈ ℤ | |
| 4 | dvds0lem 16198 | . . . 4 ⊢ (((𝑁 ∈ ℤ ∧ 1 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝑁 · 1) = 𝑁) → 1 ∥ 𝑁) | |
| 5 | 3, 4 | mp3anl2 1459 | . . 3 ⊢ (((𝑁 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝑁 · 1) = 𝑁) → 1 ∥ 𝑁) |
| 6 | 5 | anabsan 666 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ (𝑁 · 1) = 𝑁) → 1 ∥ 𝑁) |
| 7 | 2, 6 | mpdan 688 | 1 ⊢ (𝑁 ∈ ℤ → 1 ∥ 𝑁) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 class class class wbr 5099 (class class class)co 7361 1c1 11032 · cmul 11036 ℤcz 12493 ∥ cdvds 16184 |
| 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 7683 ax-resscn 11088 ax-1cn 11089 ax-icn 11090 ax-addcl 11091 ax-addrcl 11092 ax-mulcl 11093 ax-mulrcl 11094 ax-mulcom 11095 ax-mulass 11097 ax-distr 11098 ax-i2m1 11099 ax-1ne0 11100 ax-1rid 11101 ax-rrecex 11103 ax-cnre 11104 |
| 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 7364 df-om 7812 df-2nd 7937 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-neg 11372 df-nn 12151 df-z 12494 df-dvds 16185 |
| This theorem is referenced by: dvds1 16251 gcdcllem1 16431 gcdcllem3 16433 lcmfunsnlem 16573 coprmproddvds 16595 1idssfct 16612 isprm2lem 16613 dvdsprime 16619 pclem 16771 prmreclem1 16849 oddvdssubg 19789 perfectlem2 27202 oddpwdc 34524 perfectALTVlem2 48045 |
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