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| Mirrors > Home > ILE Home > Th. List > mulcanenq | GIF version | ||
| Description: Lemma for distributive law: cancellation of common factor. (Contributed by NM, 2-Sep-1995.) (Revised by Mario Carneiro, 8-May-2013.) |
| Ref | Expression |
|---|---|
| mulcanenq | ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 〈(𝐴 ·N 𝐵), (𝐴 ·N 𝐶)〉 ~Q 〈𝐵, 𝐶〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp1 1023 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 𝐴 ∈ N) | |
| 2 | simp2 1024 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 𝐵 ∈ N) | |
| 3 | simp3 1025 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 𝐶 ∈ N) | |
| 4 | mulcompig 7553 | . . . 4 ⊢ ((𝑥 ∈ N ∧ 𝑦 ∈ N) → (𝑥 ·N 𝑦) = (𝑦 ·N 𝑥)) | |
| 5 | 4 | adantl 277 | . . 3 ⊢ (((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) ∧ (𝑥 ∈ N ∧ 𝑦 ∈ N)) → (𝑥 ·N 𝑦) = (𝑦 ·N 𝑥)) |
| 6 | mulasspig 7554 | . . . 4 ⊢ ((𝑥 ∈ N ∧ 𝑦 ∈ N ∧ 𝑧 ∈ N) → ((𝑥 ·N 𝑦) ·N 𝑧) = (𝑥 ·N (𝑦 ·N 𝑧))) | |
| 7 | 6 | adantl 277 | . . 3 ⊢ (((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) ∧ (𝑥 ∈ N ∧ 𝑦 ∈ N ∧ 𝑧 ∈ N)) → ((𝑥 ·N 𝑦) ·N 𝑧) = (𝑥 ·N (𝑦 ·N 𝑧))) |
| 8 | 1, 2, 3, 5, 7 | caov32d 6205 | . 2 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → ((𝐴 ·N 𝐵) ·N 𝐶) = ((𝐴 ·N 𝐶) ·N 𝐵)) |
| 9 | mulclpi 7550 | . . . . . 6 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐴 ·N 𝐵) ∈ N) | |
| 10 | mulclpi 7550 | . . . . . 6 ⊢ ((𝐴 ∈ N ∧ 𝐶 ∈ N) → (𝐴 ·N 𝐶) ∈ N) | |
| 11 | 9, 10 | anim12i 338 | . . . . 5 ⊢ (((𝐴 ∈ N ∧ 𝐵 ∈ N) ∧ (𝐴 ∈ N ∧ 𝐶 ∈ N)) → ((𝐴 ·N 𝐵) ∈ N ∧ (𝐴 ·N 𝐶) ∈ N)) |
| 12 | simpr 110 | . . . . . 6 ⊢ (((𝐴 ∈ N ∧ 𝐴 ∈ N) ∧ (𝐵 ∈ N ∧ 𝐶 ∈ N)) → (𝐵 ∈ N ∧ 𝐶 ∈ N)) | |
| 13 | 12 | an4s 592 | . . . . 5 ⊢ (((𝐴 ∈ N ∧ 𝐵 ∈ N) ∧ (𝐴 ∈ N ∧ 𝐶 ∈ N)) → (𝐵 ∈ N ∧ 𝐶 ∈ N)) |
| 14 | 11, 13 | jca 306 | . . . 4 ⊢ (((𝐴 ∈ N ∧ 𝐵 ∈ N) ∧ (𝐴 ∈ N ∧ 𝐶 ∈ N)) → (((𝐴 ·N 𝐵) ∈ N ∧ (𝐴 ·N 𝐶) ∈ N) ∧ (𝐵 ∈ N ∧ 𝐶 ∈ N))) |
| 15 | 14 | 3impdi 1329 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → (((𝐴 ·N 𝐵) ∈ N ∧ (𝐴 ·N 𝐶) ∈ N) ∧ (𝐵 ∈ N ∧ 𝐶 ∈ N))) |
| 16 | enqbreq 7578 | . . 3 ⊢ ((((𝐴 ·N 𝐵) ∈ N ∧ (𝐴 ·N 𝐶) ∈ N) ∧ (𝐵 ∈ N ∧ 𝐶 ∈ N)) → (〈(𝐴 ·N 𝐵), (𝐴 ·N 𝐶)〉 ~Q 〈𝐵, 𝐶〉 ↔ ((𝐴 ·N 𝐵) ·N 𝐶) = ((𝐴 ·N 𝐶) ·N 𝐵))) | |
| 17 | 15, 16 | syl 14 | . 2 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → (〈(𝐴 ·N 𝐵), (𝐴 ·N 𝐶)〉 ~Q 〈𝐵, 𝐶〉 ↔ ((𝐴 ·N 𝐵) ·N 𝐶) = ((𝐴 ·N 𝐶) ·N 𝐵))) |
| 18 | 8, 17 | mpbird 167 | 1 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 〈(𝐴 ·N 𝐵), (𝐴 ·N 𝐶)〉 ~Q 〈𝐵, 𝐶〉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∧ w3a 1004 = wceq 1397 ∈ wcel 2201 〈cop 3671 class class class wbr 4087 (class class class)co 6020 Ncnpi 7494 ·N cmi 7496 ~Q ceq 7501 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4203 ax-sep 4206 ax-nul 4214 ax-pow 4263 ax-pr 4298 ax-un 4529 ax-setind 4634 ax-iinf 4685 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-pw 3653 df-sn 3674 df-pr 3675 df-op 3677 df-uni 3893 df-int 3928 df-iun 3971 df-br 4088 df-opab 4150 df-mpt 4151 df-tr 4187 df-id 4389 df-iord 4462 df-on 4464 df-suc 4467 df-iom 4688 df-xp 4730 df-rel 4731 df-cnv 4732 df-co 4733 df-dm 4734 df-rn 4735 df-res 4736 df-ima 4737 df-iota 5285 df-fun 5327 df-fn 5328 df-f 5329 df-f1 5330 df-fo 5331 df-f1o 5332 df-fv 5333 df-ov 6023 df-oprab 6024 df-mpo 6025 df-1st 6305 df-2nd 6306 df-recs 6473 df-irdg 6538 df-oadd 6588 df-omul 6589 df-ni 7526 df-mi 7528 df-enq 7569 |
| This theorem is referenced by: mulcanenqec 7608 |
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