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| Mirrors > Home > MPE Home > Th. List > addsdid | Structured version Visualization version GIF version | ||
| Description: Distributive law for surreal numbers. Commuted form of part of theorem 7 of [Conway] p. 19. (Contributed by Scott Fenton, 9-Mar-2025.) |
| Ref | Expression |
|---|---|
| addsdid.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| addsdid.2 | ⊢ (𝜑 → 𝐵 ∈ No ) |
| addsdid.3 | ⊢ (𝜑 → 𝐶 ∈ No ) |
| Ref | Expression |
|---|---|
| addsdid | ⊢ (𝜑 → (𝐴 ·s (𝐵 +s 𝐶)) = ((𝐴 ·s 𝐵) +s (𝐴 ·s 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addsdid.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | addsdid.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ No ) | |
| 3 | addsdid.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ No ) | |
| 4 | addsdi 28218 | . 2 ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐶 ∈ No ) → (𝐴 ·s (𝐵 +s 𝐶)) = ((𝐴 ·s 𝐵) +s (𝐴 ·s 𝐶))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1386 | 1 ⊢ (𝜑 → (𝐴 ·s (𝐵 +s 𝐶)) = ((𝐴 ·s 𝐵) +s (𝐴 ·s 𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1554 ∈ wcel 2136 (class class class)co 7385 No csur 27674 +s cadds 28022 ·s cmuls 28169 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-ral 3071 df-rex 3081 df-rmo 3361 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-tp 4581 df-op 4583 df-ot 4585 df-uni 4860 df-int 4900 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-se 5594 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-1st 7959 df-2nd 7960 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-1o 8425 df-2o 8426 df-nadd 8624 df-no 27677 df-lts 27678 df-bday 27679 df-les 27779 df-slts 27821 df-cuts 27823 df-0s 27870 df-made 27890 df-old 27891 df-left 27893 df-right 27894 df-norec 28001 df-norec2 28012 df-adds 28023 df-negs 28084 df-subs 28085 df-muls 28170 |
| This theorem is referenced by: addsdird 28220 subsdid 28221 mulsasslem3 28228 precsexlem9 28278 n0mulscl 28408 eucliddivs 28439 n0seo 28484 addhalfcut 28522 pw2cutp1 28524 bdaypw2n0bndlem 28526 bdayfinbndlem1 28530 z12sge0 28546 |
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