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Theorem distrsrg 7708
Description: Multiplication of signed reals is distributive. (Contributed by Jim Kingdon, 4-Jan-2020.)
Assertion
Ref Expression
distrsrg ((𝐴R𝐵R𝐶R) → (𝐴 ·R (𝐵 +R 𝐶)) = ((𝐴 ·R 𝐵) +R (𝐴 ·R 𝐶)))

Proof of Theorem distrsrg
Dummy variables 𝑓 𝑔 𝑢 𝑣 𝑤 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-nr 7676 . 2 R = ((P × P) / ~R )
2 addsrpr 7694 . 2 (((𝑧P𝑤P) ∧ (𝑣P𝑢P)) → ([⟨𝑧, 𝑤⟩] ~R +R [⟨𝑣, 𝑢⟩] ~R ) = [⟨(𝑧 +P 𝑣), (𝑤 +P 𝑢)⟩] ~R )
3 mulsrpr 7695 . 2 (((𝑥P𝑦P) ∧ ((𝑧 +P 𝑣) ∈ P ∧ (𝑤 +P 𝑢) ∈ P)) → ([⟨𝑥, 𝑦⟩] ~R ·R [⟨(𝑧 +P 𝑣), (𝑤 +P 𝑢)⟩] ~R ) = [⟨((𝑥 ·P (𝑧 +P 𝑣)) +P (𝑦 ·P (𝑤 +P 𝑢))), ((𝑥 ·P (𝑤 +P 𝑢)) +P (𝑦 ·P (𝑧 +P 𝑣)))⟩] ~R )
4 mulsrpr 7695 . 2 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → ([⟨𝑥, 𝑦⟩] ~R ·R [⟨𝑧, 𝑤⟩] ~R ) = [⟨((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)), ((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧))⟩] ~R )
5 mulsrpr 7695 . 2 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → ([⟨𝑥, 𝑦⟩] ~R ·R [⟨𝑣, 𝑢⟩] ~R ) = [⟨((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢)), ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣))⟩] ~R )
6 addsrpr 7694 . 2 (((((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) ∈ P ∧ ((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) ∈ P) ∧ (((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢)) ∈ P ∧ ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣)) ∈ P)) → ([⟨((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)), ((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧))⟩] ~R +R [⟨((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢)), ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣))⟩] ~R ) = [⟨(((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) +P ((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢))), (((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) +P ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣)))⟩] ~R )
7 addclpr 7486 . . . 4 ((𝑧P𝑣P) → (𝑧 +P 𝑣) ∈ P)
87ad2ant2r 506 . . 3 (((𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑧 +P 𝑣) ∈ P)
9 addclpr 7486 . . . 4 ((𝑤P𝑢P) → (𝑤 +P 𝑢) ∈ P)
109ad2ant2l 505 . . 3 (((𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑤 +P 𝑢) ∈ P)
118, 10jca 304 . 2 (((𝑧P𝑤P) ∧ (𝑣P𝑢P)) → ((𝑧 +P 𝑣) ∈ P ∧ (𝑤 +P 𝑢) ∈ P))
12 mulclpr 7521 . . . . 5 ((𝑥P𝑧P) → (𝑥 ·P 𝑧) ∈ P)
1312ad2ant2r 506 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → (𝑥 ·P 𝑧) ∈ P)
14 mulclpr 7521 . . . . 5 ((𝑦P𝑤P) → (𝑦 ·P 𝑤) ∈ P)
1514ad2ant2l 505 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → (𝑦 ·P 𝑤) ∈ P)
16 addclpr 7486 . . . 4 (((𝑥 ·P 𝑧) ∈ P ∧ (𝑦 ·P 𝑤) ∈ P) → ((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) ∈ P)
1713, 15, 16syl2anc 409 . . 3 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → ((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) ∈ P)
18 mulclpr 7521 . . . . 5 ((𝑥P𝑤P) → (𝑥 ·P 𝑤) ∈ P)
1918ad2ant2rl 508 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → (𝑥 ·P 𝑤) ∈ P)
20 mulclpr 7521 . . . . 5 ((𝑦P𝑧P) → (𝑦 ·P 𝑧) ∈ P)
2120ad2ant2lr 507 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → (𝑦 ·P 𝑧) ∈ P)
22 addclpr 7486 . . . 4 (((𝑥 ·P 𝑤) ∈ P ∧ (𝑦 ·P 𝑧) ∈ P) → ((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) ∈ P)
2319, 21, 22syl2anc 409 . . 3 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → ((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) ∈ P)
2417, 23jca 304 . 2 (((𝑥P𝑦P) ∧ (𝑧P𝑤P)) → (((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) ∈ P ∧ ((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) ∈ P))
25 mulclpr 7521 . . . . 5 ((𝑥P𝑣P) → (𝑥 ·P 𝑣) ∈ P)
2625ad2ant2r 506 . . . 4 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → (𝑥 ·P 𝑣) ∈ P)
27 mulclpr 7521 . . . . 5 ((𝑦P𝑢P) → (𝑦 ·P 𝑢) ∈ P)
2827ad2ant2l 505 . . . 4 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → (𝑦 ·P 𝑢) ∈ P)
29 addclpr 7486 . . . 4 (((𝑥 ·P 𝑣) ∈ P ∧ (𝑦 ·P 𝑢) ∈ P) → ((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢)) ∈ P)
3026, 28, 29syl2anc 409 . . 3 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → ((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢)) ∈ P)
31 mulclpr 7521 . . . . 5 ((𝑥P𝑢P) → (𝑥 ·P 𝑢) ∈ P)
3231ad2ant2rl 508 . . . 4 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → (𝑥 ·P 𝑢) ∈ P)
33 mulclpr 7521 . . . . 5 ((𝑦P𝑣P) → (𝑦 ·P 𝑣) ∈ P)
3433ad2ant2lr 507 . . . 4 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → (𝑦 ·P 𝑣) ∈ P)
35 addclpr 7486 . . . 4 (((𝑥 ·P 𝑢) ∈ P ∧ (𝑦 ·P 𝑣) ∈ P) → ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣)) ∈ P)
3632, 34, 35syl2anc 409 . . 3 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣)) ∈ P)
3730, 36jca 304 . 2 (((𝑥P𝑦P) ∧ (𝑣P𝑢P)) → (((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢)) ∈ P ∧ ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣)) ∈ P))
38 simp1l 1016 . . . . 5 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → 𝑥P)
39 simp2l 1018 . . . . 5 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → 𝑧P)
40 simp3l 1020 . . . . 5 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → 𝑣P)
41 distrprg 7537 . . . . 5 ((𝑥P𝑧P𝑣P) → (𝑥 ·P (𝑧 +P 𝑣)) = ((𝑥 ·P 𝑧) +P (𝑥 ·P 𝑣)))
4238, 39, 40, 41syl3anc 1233 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑥 ·P (𝑧 +P 𝑣)) = ((𝑥 ·P 𝑧) +P (𝑥 ·P 𝑣)))
43 simp1r 1017 . . . . 5 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → 𝑦P)
44 simp2r 1019 . . . . 5 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → 𝑤P)
45 simp3r 1021 . . . . 5 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → 𝑢P)
46 distrprg 7537 . . . . 5 ((𝑦P𝑤P𝑢P) → (𝑦 ·P (𝑤 +P 𝑢)) = ((𝑦 ·P 𝑤) +P (𝑦 ·P 𝑢)))
4743, 44, 45, 46syl3anc 1233 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑦 ·P (𝑤 +P 𝑢)) = ((𝑦 ·P 𝑤) +P (𝑦 ·P 𝑢)))
4842, 47oveq12d 5868 . . 3 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → ((𝑥 ·P (𝑧 +P 𝑣)) +P (𝑦 ·P (𝑤 +P 𝑢))) = (((𝑥 ·P 𝑧) +P (𝑥 ·P 𝑣)) +P ((𝑦 ·P 𝑤) +P (𝑦 ·P 𝑢))))
4938, 39, 12syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑥 ·P 𝑧) ∈ P)
5038, 40, 25syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑥 ·P 𝑣) ∈ P)
5143, 44, 14syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑦 ·P 𝑤) ∈ P)
52 addcomprg 7527 . . . . 5 ((𝑓P𝑔P) → (𝑓 +P 𝑔) = (𝑔 +P 𝑓))
5352adantl 275 . . . 4 ((((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) ∧ (𝑓P𝑔P)) → (𝑓 +P 𝑔) = (𝑔 +P 𝑓))
54 addassprg 7528 . . . . 5 ((𝑓P𝑔PP) → ((𝑓 +P 𝑔) +P ) = (𝑓 +P (𝑔 +P )))
5554adantl 275 . . . 4 ((((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) ∧ (𝑓P𝑔PP)) → ((𝑓 +P 𝑔) +P ) = (𝑓 +P (𝑔 +P )))
5643, 45, 27syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑦 ·P 𝑢) ∈ P)
57 addclpr 7486 . . . . 5 ((𝑓P𝑔P) → (𝑓 +P 𝑔) ∈ P)
5857adantl 275 . . . 4 ((((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) ∧ (𝑓P𝑔P)) → (𝑓 +P 𝑔) ∈ P)
5949, 50, 51, 53, 55, 56, 58caov4d 6034 . . 3 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (((𝑥 ·P 𝑧) +P (𝑥 ·P 𝑣)) +P ((𝑦 ·P 𝑤) +P (𝑦 ·P 𝑢))) = (((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) +P ((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢))))
6048, 59eqtrd 2203 . 2 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → ((𝑥 ·P (𝑧 +P 𝑣)) +P (𝑦 ·P (𝑤 +P 𝑢))) = (((𝑥 ·P 𝑧) +P (𝑦 ·P 𝑤)) +P ((𝑥 ·P 𝑣) +P (𝑦 ·P 𝑢))))
61 distrprg 7537 . . . . 5 ((𝑥P𝑤P𝑢P) → (𝑥 ·P (𝑤 +P 𝑢)) = ((𝑥 ·P 𝑤) +P (𝑥 ·P 𝑢)))
6238, 44, 45, 61syl3anc 1233 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑥 ·P (𝑤 +P 𝑢)) = ((𝑥 ·P 𝑤) +P (𝑥 ·P 𝑢)))
63 distrprg 7537 . . . . 5 ((𝑦P𝑧P𝑣P) → (𝑦 ·P (𝑧 +P 𝑣)) = ((𝑦 ·P 𝑧) +P (𝑦 ·P 𝑣)))
6443, 39, 40, 63syl3anc 1233 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑦 ·P (𝑧 +P 𝑣)) = ((𝑦 ·P 𝑧) +P (𝑦 ·P 𝑣)))
6562, 64oveq12d 5868 . . 3 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → ((𝑥 ·P (𝑤 +P 𝑢)) +P (𝑦 ·P (𝑧 +P 𝑣))) = (((𝑥 ·P 𝑤) +P (𝑥 ·P 𝑢)) +P ((𝑦 ·P 𝑧) +P (𝑦 ·P 𝑣))))
6638, 44, 18syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑥 ·P 𝑤) ∈ P)
6738, 45, 31syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑥 ·P 𝑢) ∈ P)
6843, 39, 20syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑦 ·P 𝑧) ∈ P)
6943, 40, 33syl2anc 409 . . . 4 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (𝑦 ·P 𝑣) ∈ P)
7066, 67, 68, 53, 55, 69, 58caov4d 6034 . . 3 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → (((𝑥 ·P 𝑤) +P (𝑥 ·P 𝑢)) +P ((𝑦 ·P 𝑧) +P (𝑦 ·P 𝑣))) = (((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) +P ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣))))
7165, 70eqtrd 2203 . 2 (((𝑥P𝑦P) ∧ (𝑧P𝑤P) ∧ (𝑣P𝑢P)) → ((𝑥 ·P (𝑤 +P 𝑢)) +P (𝑦 ·P (𝑧 +P 𝑣))) = (((𝑥 ·P 𝑤) +P (𝑦 ·P 𝑧)) +P ((𝑥 ·P 𝑢) +P (𝑦 ·P 𝑣))))
721, 2, 3, 4, 5, 6, 11, 24, 37, 60, 71ecovidi 6621 1 ((𝐴R𝐵R𝐶R) → (𝐴 ·R (𝐵 +R 𝐶)) = ((𝐴 ·R 𝐵) +R (𝐴 ·R 𝐶)))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103  w3a 973   = wceq 1348  wcel 2141  (class class class)co 5850  Pcnp 7240   +P cpp 7242   ·P cmp 7243   ~R cer 7245  Rcnr 7246   +R cplr 7250   ·R cmr 7251
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 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-coll 4102  ax-sep 4105  ax-nul 4113  ax-pow 4158  ax-pr 4192  ax-un 4416  ax-setind 4519  ax-iinf 4570
This theorem depends on definitions:  df-bi 116  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-ral 2453  df-rex 2454  df-reu 2455  df-rab 2457  df-v 2732  df-sbc 2956  df-csb 3050  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-nul 3415  df-pw 3566  df-sn 3587  df-pr 3588  df-op 3590  df-uni 3795  df-int 3830  df-iun 3873  df-br 3988  df-opab 4049  df-mpt 4050  df-tr 4086  df-eprel 4272  df-id 4276  df-po 4279  df-iso 4280  df-iord 4349  df-on 4351  df-suc 4354  df-iom 4573  df-xp 4615  df-rel 4616  df-cnv 4617  df-co 4618  df-dm 4619  df-rn 4620  df-res 4621  df-ima 4622  df-iota 5158  df-fun 5198  df-fn 5199  df-f 5200  df-f1 5201  df-fo 5202  df-f1o 5203  df-fv 5204  df-ov 5853  df-oprab 5854  df-mpo 5855  df-1st 6116  df-2nd 6117  df-recs 6281  df-irdg 6346  df-1o 6392  df-2o 6393  df-oadd 6396  df-omul 6397  df-er 6509  df-ec 6511  df-qs 6515  df-ni 7253  df-pli 7254  df-mi 7255  df-lti 7256  df-plpq 7293  df-mpq 7294  df-enq 7296  df-nqqs 7297  df-plqqs 7298  df-mqqs 7299  df-1nqqs 7300  df-rq 7301  df-ltnqqs 7302  df-enq0 7373  df-nq0 7374  df-0nq0 7375  df-plq0 7376  df-mq0 7377  df-inp 7415  df-iplp 7417  df-imp 7418  df-enr 7675  df-nr 7676  df-plr 7677  df-mr 7678
This theorem is referenced by:  pn0sr  7720  axmulass  7822  axdistr  7823
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