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Mirrors > Home > ILE Home > Th. List > distnq0r | GIF version |
Description: Multiplication of nonnegative fractions is distributive. Version of distrnq0 7260 with the multiplications commuted. (Contributed by Jim Kingdon, 29-Nov-2019.) |
Ref | Expression |
---|---|
distnq0r | ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → ((𝐵 +Q0 𝐶) ·Q0 𝐴) = ((𝐵 ·Q0 𝐴) +Q0 (𝐶 ·Q0 𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | distrnq0 7260 | . 2 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → (𝐴 ·Q0 (𝐵 +Q0 𝐶)) = ((𝐴 ·Q0 𝐵) +Q0 (𝐴 ·Q0 𝐶))) | |
2 | addclnq0 7252 | . . . 4 ⊢ ((𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → (𝐵 +Q0 𝐶) ∈ Q0) | |
3 | mulcomnq0 7261 | . . . 4 ⊢ ((𝐴 ∈ Q0 ∧ (𝐵 +Q0 𝐶) ∈ Q0) → (𝐴 ·Q0 (𝐵 +Q0 𝐶)) = ((𝐵 +Q0 𝐶) ·Q0 𝐴)) | |
4 | 2, 3 | sylan2 284 | . . 3 ⊢ ((𝐴 ∈ Q0 ∧ (𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0)) → (𝐴 ·Q0 (𝐵 +Q0 𝐶)) = ((𝐵 +Q0 𝐶) ·Q0 𝐴)) |
5 | 4 | 3impb 1177 | . 2 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → (𝐴 ·Q0 (𝐵 +Q0 𝐶)) = ((𝐵 +Q0 𝐶) ·Q0 𝐴)) |
6 | mulcomnq0 7261 | . . . 4 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0) → (𝐴 ·Q0 𝐵) = (𝐵 ·Q0 𝐴)) | |
7 | 6 | 3adant3 1001 | . . 3 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → (𝐴 ·Q0 𝐵) = (𝐵 ·Q0 𝐴)) |
8 | mulcomnq0 7261 | . . . 4 ⊢ ((𝐴 ∈ Q0 ∧ 𝐶 ∈ Q0) → (𝐴 ·Q0 𝐶) = (𝐶 ·Q0 𝐴)) | |
9 | 8 | 3adant2 1000 | . . 3 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → (𝐴 ·Q0 𝐶) = (𝐶 ·Q0 𝐴)) |
10 | 7, 9 | oveq12d 5785 | . 2 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → ((𝐴 ·Q0 𝐵) +Q0 (𝐴 ·Q0 𝐶)) = ((𝐵 ·Q0 𝐴) +Q0 (𝐶 ·Q0 𝐴))) |
11 | 1, 5, 10 | 3eqtr3d 2178 | 1 ⊢ ((𝐴 ∈ Q0 ∧ 𝐵 ∈ Q0 ∧ 𝐶 ∈ Q0) → ((𝐵 +Q0 𝐶) ·Q0 𝐴) = ((𝐵 ·Q0 𝐴) +Q0 (𝐶 ·Q0 𝐴))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ w3a 962 = wceq 1331 ∈ wcel 1480 (class class class)co 5767 Q0cnq0 7088 +Q0 cplq0 7090 ·Q0 cmq0 7091 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-coll 4038 ax-sep 4041 ax-nul 4049 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-setind 4447 ax-iinf 4497 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-ral 2419 df-rex 2420 df-reu 2421 df-rab 2423 df-v 2683 df-sbc 2905 df-csb 2999 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-nul 3359 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-iun 3810 df-br 3925 df-opab 3985 df-mpt 3986 df-tr 4022 df-id 4210 df-iord 4283 df-on 4285 df-suc 4288 df-iom 4500 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-iota 5083 df-fun 5120 df-fn 5121 df-f 5122 df-f1 5123 df-fo 5124 df-f1o 5125 df-fv 5126 df-ov 5770 df-oprab 5771 df-mpo 5772 df-1st 6031 df-2nd 6032 df-recs 6195 df-irdg 6260 df-oadd 6310 df-omul 6311 df-er 6422 df-ec 6424 df-qs 6428 df-ni 7105 df-mi 7107 df-enq0 7225 df-nq0 7226 df-plq0 7228 df-mq0 7229 |
This theorem is referenced by: prarloclemcalc 7303 |
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