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| Mirrors > Home > MPE Home > Th. List > sltmuldivwd | Structured version Visualization version GIF version | ||
| Description: Surreal less-than relationship between division and multiplication. Weak version. (Contributed by Scott Fenton, 14-Mar-2025.) |
| Ref | Expression |
|---|---|
| sltdivmulwd.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| sltdivmulwd.2 | ⊢ (𝜑 → 𝐵 ∈ No ) |
| sltdivmulwd.3 | ⊢ (𝜑 → 𝐶 ∈ No ) |
| sltdivmulwd.4 | ⊢ (𝜑 → 0s <s 𝐶) |
| sltdivmulwd.5 | ⊢ (𝜑 → ∃𝑥 ∈ No (𝐶 ·s 𝑥) = 1s ) |
| Ref | Expression |
|---|---|
| sltmuldivwd | ⊢ (𝜑 → ((𝐴 ·s 𝐶) <s 𝐵 ↔ 𝐴 <s (𝐵 /su 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sltdivmulwd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | sltdivmulwd.2 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ No ) | |
| 3 | sltdivmulwd.3 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ No ) | |
| 4 | sltdivmulwd.4 | . . . . 5 ⊢ (𝜑 → 0s <s 𝐶) | |
| 5 | 4 | sgt0ne0d 27786 | . . . 4 ⊢ (𝜑 → 𝐶 ≠ 0s ) |
| 6 | sltdivmulwd.5 | . . . 4 ⊢ (𝜑 → ∃𝑥 ∈ No (𝐶 ·s 𝑥) = 1s ) | |
| 7 | 2, 3, 5, 6 | divsclwd 28141 | . . 3 ⊢ (𝜑 → (𝐵 /su 𝐶) ∈ No ) |
| 8 | 1, 7, 3, 4 | sltmul1d 28118 | . 2 ⊢ (𝜑 → (𝐴 <s (𝐵 /su 𝐶) ↔ (𝐴 ·s 𝐶) <s ((𝐵 /su 𝐶) ·s 𝐶))) |
| 9 | 2, 3, 5, 6 | divscan1wd 28143 | . . 3 ⊢ (𝜑 → ((𝐵 /su 𝐶) ·s 𝐶) = 𝐵) |
| 10 | 9 | breq2d 5105 | . 2 ⊢ (𝜑 → ((𝐴 ·s 𝐶) <s ((𝐵 /su 𝐶) ·s 𝐶) ↔ (𝐴 ·s 𝐶) <s 𝐵)) |
| 11 | 8, 10 | bitr2d 280 | 1 ⊢ (𝜑 → ((𝐴 ·s 𝐶) <s 𝐵 ↔ 𝐴 <s (𝐵 /su 𝐶))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1541 ∈ wcel 2111 ∃wrex 3056 class class class wbr 5093 (class class class)co 7352 No csur 27584 <s cslt 27585 0s c0s 27772 1s c1s 27773 ·s cmuls 28051 /su cdivs 28132 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5219 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-tp 4580 df-op 4582 df-ot 4584 df-uni 4859 df-int 4898 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-se 5573 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6254 df-ord 6315 df-on 6316 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-1st 7927 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-1o 8391 df-2o 8392 df-nadd 8587 df-no 27587 df-slt 27588 df-bday 27589 df-sle 27690 df-sslt 27727 df-scut 27729 df-0s 27774 df-1s 27775 df-made 27794 df-old 27795 df-left 27797 df-right 27798 df-norec 27887 df-norec2 27898 df-adds 27909 df-negs 27969 df-subs 27970 df-muls 28052 df-divs 28133 |
| This theorem is referenced by: sltmuldiv2wd 28147 precsexlem9 28159 sltmuldivd 28173 |
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