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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 9632 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mul02d 8713 | . 2 ⊢ (𝑁 ∈ ℤ → (0 · 𝑁) = 0) |
| 3 | 0z 9638 | . . 3 ⊢ 0 ∈ ℤ | |
| 4 | dvds0lem 12551 | . . . 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 1369 | . 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 1009 = wceq 1402 ∈ wcel 2209 class class class wbr 4128 (class class class)co 6079 0cc0 8173 · cmul 8178 ℤcz 9627 ∥ cdvds 12537 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-setind 4682 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-mulcom 8274 ax-addass 8275 ax-distr 8277 ax-i2m1 8278 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-br 4129 df-opab 4191 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-iota 5335 df-fun 5377 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-sub 8493 df-neg 8494 df-z 9628 df-dvds 12538 |
| This theorem is referenced by: 0dvds 12561 fsumdvds 12592 alzdvds 12604 fzo0dvdseq 12607 z0even 12661 gcddvds 12723 gcd0id 12739 bezoutlemmain 12758 dfgcd3 12770 dfgcd2 12774 dvdssq 12791 dvdslcm 12830 lcmdvds 12840 mulgcddvds 12855 odzdvds 13007 pcdvdsb 13082 pcz 13094 lgsne0 16140 |
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