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| Mirrors > Home > MPE Home > Th. List > divsdird | Structured version Visualization version GIF version | ||
| Description: Distribution of surreal division over addition. (Contributed by Scott Fenton, 13-Aug-2025.) |
| Ref | Expression |
|---|---|
| divsdird.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| divsdird.2 | ⊢ (𝜑 → 𝐵 ∈ No ) |
| divsdird.3 | ⊢ (𝜑 → 𝐶 ∈ No ) |
| divsdird.4 | ⊢ (𝜑 → 𝐶 ≠ 0s ) |
| Ref | Expression |
|---|---|
| divsdird | ⊢ (𝜑 → ((𝐴 +s 𝐵) /su 𝐶) = ((𝐴 /su 𝐶) +s (𝐵 /su 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | divsdird.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | divsdird.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ No ) | |
| 3 | 1no 27878 | . . . . 5 ⊢ 1s ∈ No | |
| 4 | 3 | a1i 11 | . . . 4 ⊢ (𝜑 → 1s ∈ No ) |
| 5 | divsdird.3 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ No ) | |
| 6 | divsdird.4 | . . . 4 ⊢ (𝜑 → 𝐶 ≠ 0s ) | |
| 7 | 4, 5, 6 | divscld 28292 | . . 3 ⊢ (𝜑 → ( 1s /su 𝐶) ∈ No ) |
| 8 | 1, 2, 7 | addsdird 28225 | . 2 ⊢ (𝜑 → ((𝐴 +s 𝐵) ·s ( 1s /su 𝐶)) = ((𝐴 ·s ( 1s /su 𝐶)) +s (𝐵 ·s ( 1s /su 𝐶)))) |
| 9 | 1, 2 | addscld 28048 | . . 3 ⊢ (𝜑 → (𝐴 +s 𝐵) ∈ No ) |
| 10 | 9, 5, 6 | divsrecd 28302 | . 2 ⊢ (𝜑 → ((𝐴 +s 𝐵) /su 𝐶) = ((𝐴 +s 𝐵) ·s ( 1s /su 𝐶))) |
| 11 | 1, 5, 6 | divsrecd 28302 | . . 3 ⊢ (𝜑 → (𝐴 /su 𝐶) = (𝐴 ·s ( 1s /su 𝐶))) |
| 12 | 2, 5, 6 | divsrecd 28302 | . . 3 ⊢ (𝜑 → (𝐵 /su 𝐶) = (𝐵 ·s ( 1s /su 𝐶))) |
| 13 | 11, 12 | oveq12d 7408 | . 2 ⊢ (𝜑 → ((𝐴 /su 𝐶) +s (𝐵 /su 𝐶)) = ((𝐴 ·s ( 1s /su 𝐶)) +s (𝐵 ·s ( 1s /su 𝐶)))) |
| 14 | 8, 10, 13 | 3eqtr4d 2806 | 1 ⊢ (𝜑 → ((𝐴 +s 𝐵) /su 𝐶) = ((𝐴 /su 𝐶) +s (𝐵 /su 𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ≠ wne 2956 (class class class)co 7390 No csur 27679 0s c0s 27873 1s c1s 27874 +s cadds 28027 ·s cmuls 28174 /su cdivs 28255 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7712 ax-dc 10398 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-ot 4590 df-uni 4865 df-int 4905 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-se 5599 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6282 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6471 df-fun 6517 df-fn 6518 df-f 6519 df-f1 6520 df-fo 6521 df-f1o 6522 df-fv 6523 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7841 df-1st 7964 df-2nd 7965 df-frecs 8255 df-wrecs 8286 df-recs 8335 df-rdg 8374 df-1o 8430 df-2o 8431 df-oadd 8434 df-nadd 8629 df-no 27682 df-lts 27683 df-bday 27684 df-les 27784 df-slts 27826 df-cuts 27828 df-0s 27875 df-1s 27876 df-made 27895 df-old 27896 df-left 27898 df-right 27899 df-norec 28006 df-norec2 28017 df-adds 28028 df-negs 28089 df-subs 28090 df-muls 28175 df-divs 28256 |
| This theorem is referenced by: addhalfcut 28527 pw2cut 28528 |
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