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| Mirrors > Home > MPE Home > Th. List > divscld | Structured version Visualization version GIF version | ||
| Description: Surreal division closure law. (Contributed by Scott Fenton, 16-Mar-2025.) |
| Ref | Expression |
|---|---|
| divscld.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| divscld.2 | ⊢ (𝜑 → 𝐵 ∈ No ) |
| divscld.3 | ⊢ (𝜑 → 𝐵 ≠ 0s ) |
| Ref | Expression |
|---|---|
| divscld | ⊢ (𝜑 → (𝐴 /su 𝐵) ∈ No ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | divscld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | divscld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ No ) | |
| 3 | divscld.3 | . 2 ⊢ (𝜑 → 𝐵 ≠ 0s ) | |
| 4 | divscl 28132 | . 2 ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐵 ≠ 0s ) → (𝐴 /su 𝐵) ∈ No ) | |
| 5 | 1, 2, 3, 4 | syl3anc 1373 | 1 ⊢ (𝜑 → (𝐴 /su 𝐵) ∈ No ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 ≠ wne 2926 (class class class)co 7390 No csur 27558 0s c0s 27741 /su cdivs 28097 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5237 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-dc 10406 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-tp 4597 df-op 4599 df-ot 4601 df-uni 4875 df-int 4914 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-se 5595 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7846 df-1st 7971 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-1o 8437 df-2o 8438 df-oadd 8441 df-nadd 8633 df-no 27561 df-slt 27562 df-bday 27563 df-sle 27664 df-sslt 27700 df-scut 27702 df-0s 27743 df-1s 27744 df-made 27762 df-old 27763 df-left 27765 df-right 27766 df-norec 27852 df-norec2 27863 df-adds 27874 df-negs 27934 df-subs 27935 df-muls 28017 df-divs 28098 |
| This theorem is referenced by: divmuldivsd 28141 divdivs1d 28142 divsrecd 28143 divsdird 28144 pw2cut 28342 zs12bday 28350 recut 28354 0reno 28355 renegscl 28356 readdscl 28357 remulscllem1 28358 remulscl 28360 |
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