| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 28137 | . . 3 ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐶 ∈ No) → ((𝐴 <s 𝐵 ∧ 𝐵 <s 𝐶) → 𝐴 <s 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1399 | . 2 ⊢ (𝜑 → ((𝐴 <s 𝐵 ∧ 𝐵 <s 𝐶) → 𝐴 <s 𝐶)) |
| 8 | 1, 2, 7 | mp2and 712 | 1 ⊢ (𝜑 → 𝐴 <s 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2147 class class class wbr 5106 Nocsur 28030 <s clts 28031 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pr 5396 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-ord 6386 df-on 6387 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-fv 6569 df-1o 8507 df-2o 8508 df-no 28033 df-lts 28034 |
| This theorem is used by: conway 28198 sltstr 28206 lesrec 28218 ltslpss 28327 cofcutr 28343 addsproplem2 28389 addsproplem6 28393 lt2addsd 28432 negsproplem6 28452 mulsproplem5 28539 mulsproplem6 28540 mulsproplem7 28541 mulsproplem8 28542 mulsproplem13 28547 mulsproplem14 28548 precsexlem8 28633 precsexlem9 28634 precsexlem11 28636 om2noseqlt 28718 zcuts 28826 twocut 28842 pw2cut2 28881 bdayfinbndlem1 28886 recut 28913 1reno 28916 |
| Copyright terms: Public domain | W3C validator |