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| Mirrors > Home > ILE Home > Th. List > dvds0 | GIF version | ||
| Description: Any integer divides 0. Theorem 1.1(g) in [ApostolNT] p. 14. (Contributed by Paul Chapman, 21-Mar-2011.) |
| Ref | Expression |
|---|---|
| dvds0 | ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcn 9578 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mul02d 8661 | . 2 ⊢ (𝑁 ∈ ℤ → (0 · 𝑁) = 0) |
| 3 | 0z 9584 | . . 3 ⊢ 0 ∈ ℤ | |
| 4 | dvds0lem 12480 | . . . 4 ⊢ (((0 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 0 ∈ ℤ) ∧ (0 · 𝑁) = 0) → 𝑁 ∥ 0) | |
| 5 | 4 | ex 115 | . . 3 ⊢ ((0 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 0 ∈ ℤ) → ((0 · 𝑁) = 0 → 𝑁 ∥ 0)) |
| 6 | 3, 3, 5 | mp3an13 1365 | . 2 ⊢ (𝑁 ∈ ℤ → ((0 · 𝑁) = 0 → 𝑁 ∥ 0)) |
| 7 | 2, 6 | mpd 13 | 1 ⊢ (𝑁 ∈ ℤ → 𝑁 ∥ 0) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1005 = wceq 1398 ∈ wcel 2203 class class class wbr 4108 (class class class)co 6049 0cc0 8123 · cmul 8128 ℤcz 9573 ∥ cdvds 12466 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4227 ax-pow 4286 ax-pr 4321 ax-setind 4658 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-addcom 8223 ax-mulcom 8224 ax-addass 8225 ax-distr 8227 ax-i2m1 8228 ax-0id 8231 ax-rnegex 8232 ax-cnre 8234 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-br 4109 df-opab 4171 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-iota 5311 df-fun 5353 df-fv 5359 df-riota 6002 df-ov 6052 df-oprab 6053 df-mpo 6054 df-sub 8442 df-neg 8443 df-z 9574 df-dvds 12467 |
| This theorem is referenced by: 0dvds 12490 fsumdvds 12521 alzdvds 12533 fzo0dvdseq 12536 z0even 12590 gcddvds 12652 gcd0id 12668 bezoutlemmain 12687 dfgcd3 12699 dfgcd2 12703 dvdssq 12720 dvdslcm 12759 lcmdvds 12769 mulgcddvds 12784 odzdvds 12936 pcdvdsb 13011 pcz 13023 lgsne0 15898 |
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