![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
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 997 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 𝐴 ∈ N) | |
2 | simp2 998 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 𝐵 ∈ N) | |
3 | simp3 999 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → 𝐶 ∈ N) | |
4 | mulcompig 7321 | . . . 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 7322 | . . . 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 6049 | . 2 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → ((𝐴 ·N 𝐵) ·N 𝐶) = ((𝐴 ·N 𝐶) ·N 𝐵)) |
9 | mulclpi 7318 | . . . . . 6 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐴 ·N 𝐵) ∈ N) | |
10 | mulclpi 7318 | . . . . . 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 588 | . . . . 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 1293 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N ∧ 𝐶 ∈ N) → (((𝐴 ·N 𝐵) ∈ N ∧ (𝐴 ·N 𝐶) ∈ N) ∧ (𝐵 ∈ N ∧ 𝐶 ∈ N))) |
16 | enqbreq 7346 | . . 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 978 = wceq 1353 ∈ wcel 2148 〈cop 3594 class class class wbr 4000 (class class class)co 5869 Ncnpi 7262 ·N cmi 7264 ~Q ceq 7269 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4115 ax-sep 4118 ax-nul 4126 ax-pow 4171 ax-pr 4206 ax-un 4430 ax-setind 4533 ax-iinf 4584 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2739 df-sbc 2963 df-csb 3058 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-nul 3423 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-uni 3808 df-int 3843 df-iun 3886 df-br 4001 df-opab 4062 df-mpt 4063 df-tr 4099 df-id 4290 df-iord 4363 df-on 4365 df-suc 4368 df-iom 4587 df-xp 4629 df-rel 4630 df-cnv 4631 df-co 4632 df-dm 4633 df-rn 4634 df-res 4635 df-ima 4636 df-iota 5174 df-fun 5214 df-fn 5215 df-f 5216 df-f1 5217 df-fo 5218 df-f1o 5219 df-fv 5220 df-ov 5872 df-oprab 5873 df-mpo 5874 df-1st 6135 df-2nd 6136 df-recs 6300 df-irdg 6365 df-oadd 6415 df-omul 6416 df-ni 7294 df-mi 7296 df-enq 7337 |
This theorem is referenced by: mulcanenqec 7376 |
Copyright terms: Public domain | W3C validator |