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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 9348 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 2 | 1 | mul02d 8435 | . 2 ⊢ (𝑁 ∈ ℤ → (0 · 𝑁) = 0) |
| 3 | 0z 9354 | . . 3 ⊢ 0 ∈ ℤ | |
| 4 | dvds0lem 11983 | . . . 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 1339 | . 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 980 = wceq 1364 ∈ wcel 2167 class class class wbr 4034 (class class class)co 5925 0cc0 7896 · cmul 7901 ℤcz 9343 ∥ cdvds 11969 |
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 ax-setind 4574 ax-resscn 7988 ax-1cn 7989 ax-1re 7990 ax-icn 7991 ax-addcl 7992 ax-addrcl 7993 ax-mulcl 7994 ax-addcom 7996 ax-mulcom 7997 ax-addass 7998 ax-distr 8000 ax-i2m1 8001 ax-0id 8004 ax-rnegex 8005 ax-cnre 8007 |
| This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-br 4035 df-opab 4096 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-iota 5220 df-fun 5261 df-fv 5267 df-riota 5880 df-ov 5928 df-oprab 5929 df-mpo 5930 df-sub 8216 df-neg 8217 df-z 9344 df-dvds 11970 |
| This theorem is referenced by: 0dvds 11993 fsumdvds 12024 alzdvds 12036 fzo0dvdseq 12039 z0even 12093 gcddvds 12155 gcd0id 12171 bezoutlemmain 12190 dfgcd3 12202 dfgcd2 12206 dvdssq 12223 dvdslcm 12262 lcmdvds 12272 mulgcddvds 12287 odzdvds 12439 pcdvdsb 12514 pcz 12526 lgsne0 15363 |
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