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Mirrors > Home > ILE Home > Th. List > addcnsrec | GIF version |
Description: Technical trick to permit re-use of some equivalence class lemmas for operation laws. See dfcnqs 7843 and mulcnsrec 7845. (Contributed by NM, 13-Aug-1995.) |
Ref | Expression |
---|---|
addcnsrec | ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → ([⟨𝐴, 𝐵⟩]◡ E + [⟨𝐶, 𝐷⟩]◡ E ) = [⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩]◡ E ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | addcnsr 7836 | . 2 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → (⟨𝐴, 𝐵⟩ + ⟨𝐶, 𝐷⟩) = ⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩) | |
2 | opelxpi 4660 | . . . 4 ⊢ ((𝐴 ∈ R ∧ 𝐵 ∈ R) → ⟨𝐴, 𝐵⟩ ∈ (R × R)) | |
3 | ecidg 6602 | . . . 4 ⊢ (⟨𝐴, 𝐵⟩ ∈ (R × R) → [⟨𝐴, 𝐵⟩]◡ E = ⟨𝐴, 𝐵⟩) | |
4 | 2, 3 | syl 14 | . . 3 ⊢ ((𝐴 ∈ R ∧ 𝐵 ∈ R) → [⟨𝐴, 𝐵⟩]◡ E = ⟨𝐴, 𝐵⟩) |
5 | opelxpi 4660 | . . . 4 ⊢ ((𝐶 ∈ R ∧ 𝐷 ∈ R) → ⟨𝐶, 𝐷⟩ ∈ (R × R)) | |
6 | ecidg 6602 | . . . 4 ⊢ (⟨𝐶, 𝐷⟩ ∈ (R × R) → [⟨𝐶, 𝐷⟩]◡ E = ⟨𝐶, 𝐷⟩) | |
7 | 5, 6 | syl 14 | . . 3 ⊢ ((𝐶 ∈ R ∧ 𝐷 ∈ R) → [⟨𝐶, 𝐷⟩]◡ E = ⟨𝐶, 𝐷⟩) |
8 | 4, 7 | oveqan12d 5897 | . 2 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → ([⟨𝐴, 𝐵⟩]◡ E + [⟨𝐶, 𝐷⟩]◡ E ) = (⟨𝐴, 𝐵⟩ + ⟨𝐶, 𝐷⟩)) |
9 | addclsr 7755 | . . . . 5 ⊢ ((𝐴 ∈ R ∧ 𝐶 ∈ R) → (𝐴 +R 𝐶) ∈ R) | |
10 | 9 | ad2ant2r 509 | . . . 4 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → (𝐴 +R 𝐶) ∈ R) |
11 | addclsr 7755 | . . . . 5 ⊢ ((𝐵 ∈ R ∧ 𝐷 ∈ R) → (𝐵 +R 𝐷) ∈ R) | |
12 | 11 | ad2ant2l 508 | . . . 4 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → (𝐵 +R 𝐷) ∈ R) |
13 | opelxpi 4660 | . . . 4 ⊢ (((𝐴 +R 𝐶) ∈ R ∧ (𝐵 +R 𝐷) ∈ R) → ⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩ ∈ (R × R)) | |
14 | 10, 12, 13 | syl2anc 411 | . . 3 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → ⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩ ∈ (R × R)) |
15 | ecidg 6602 | . . 3 ⊢ (⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩ ∈ (R × R) → [⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩]◡ E = ⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩) | |
16 | 14, 15 | syl 14 | . 2 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → [⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩]◡ E = ⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩) |
17 | 1, 8, 16 | 3eqtr4d 2220 | 1 ⊢ (((𝐴 ∈ R ∧ 𝐵 ∈ R) ∧ (𝐶 ∈ R ∧ 𝐷 ∈ R)) → ([⟨𝐴, 𝐵⟩]◡ E + [⟨𝐶, 𝐷⟩]◡ E ) = [⟨(𝐴 +R 𝐶), (𝐵 +R 𝐷)⟩]◡ E ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 = wceq 1353 ∈ wcel 2148 ⟨cop 3597 E cep 4289 × cxp 4626 ◡ccnv 4627 (class class class)co 5878 [cec 6536 Rcnr 7299 +R cplr 7303 + caddc 7817 |
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 4120 ax-sep 4123 ax-nul 4131 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 ax-iinf 4589 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3or 979 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 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-int 3847 df-iun 3890 df-br 4006 df-opab 4067 df-mpt 4068 df-tr 4104 df-eprel 4291 df-id 4295 df-po 4298 df-iso 4299 df-iord 4368 df-on 4370 df-suc 4373 df-iom 4592 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-fv 5226 df-ov 5881 df-oprab 5882 df-mpo 5883 df-1st 6144 df-2nd 6145 df-recs 6309 df-irdg 6374 df-1o 6420 df-2o 6421 df-oadd 6424 df-omul 6425 df-er 6538 df-ec 6540 df-qs 6544 df-ni 7306 df-pli 7307 df-mi 7308 df-lti 7309 df-plpq 7346 df-mpq 7347 df-enq 7349 df-nqqs 7350 df-plqqs 7351 df-mqqs 7352 df-1nqqs 7353 df-rq 7354 df-ltnqqs 7355 df-enq0 7426 df-nq0 7427 df-0nq0 7428 df-plq0 7429 df-mq0 7430 df-inp 7468 df-iplp 7470 df-enr 7728 df-nr 7729 df-plr 7730 df-c 7820 df-add 7825 |
This theorem is referenced by: axaddass 7874 axdistr 7876 |
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