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| Mirrors > Home > MPE Home > Th. List > ltstrd | Structured version Visualization version GIF version | ||
| Description: Surreal less-than is transitive. (Contributed by Scott Fenton, 8-Dec-2021.) |
| Ref | Expression |
|---|---|
| ltstrd.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| ltstrd.2 | ⊢ (𝜑 → 𝐵 ∈ No ) |
| ltstrd.3 | ⊢ (𝜑 → 𝐶 ∈ No ) |
| ltstrd.4 | ⊢ (𝜑 → 𝐴 <s 𝐵) |
| ltstrd.5 | ⊢ (𝜑 → 𝐵 <s 𝐶) |
| Ref | Expression |
|---|---|
| ltstrd | ⊢ (𝜑 → 𝐴 <s 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltstrd.4 | . 2 ⊢ (𝜑 → 𝐴 <s 𝐵) | |
| 2 | ltstrd.5 | . 2 ⊢ (𝜑 → 𝐵 <s 𝐶) | |
| 3 | ltstrd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 4 | ltstrd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ No ) | |
| 5 | ltstrd.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ No ) | |
| 6 | ltstr 27725 | . . 3 ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐶 ∈ No ) → ((𝐴 <s 𝐵 ∧ 𝐵 <s 𝐶) → 𝐴 <s 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1374 | . 2 ⊢ (𝜑 → ((𝐴 <s 𝐵 ∧ 𝐵 <s 𝐶) → 𝐴 <s 𝐶)) |
| 8 | 1, 2, 7 | mp2and 700 | 1 ⊢ (𝜑 → 𝐴 <s 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 class class class wbr 5086 No csur 27617 <s clts 27618 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pr 5370 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-ord 6320 df-on 6321 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-1o 8398 df-2o 8399 df-no 27620 df-lts 27621 |
| This theorem is referenced by: conway 27785 sltstr 27793 lesrec 27805 ltslpss 27914 cofcutr 27930 addsproplem2 27976 addsproplem6 27980 lt2addsd 28019 negsproplem6 28039 mulsproplem5 28126 mulsproplem6 28127 mulsproplem7 28128 mulsproplem8 28129 mulsproplem13 28134 mulsproplem14 28135 precsexlem8 28220 precsexlem9 28221 precsexlem11 28223 om2noseqlt 28305 zcuts 28413 twocut 28429 pw2cut2 28468 bdayfinbndlem1 28473 recut 28500 1reno 28503 |
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