| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > nominmo | Structured version Visualization version GIF version | ||
| Description: A class of surreals has at most one minimum. (Contributed by Scott Fenton, 8-Aug-2024.) |
| Ref | Expression |
|---|---|
| nominmo | ⊢ (𝑆 ⊆ No → ∃*𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 ¬ 𝑦 <s 𝑥) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sltso 27642 | . . 3 ⊢ <s Or No | |
| 2 | soss 5550 | . . 3 ⊢ (𝑆 ⊆ No → ( <s Or No → <s Or 𝑆)) | |
| 3 | 1, 2 | mpi 20 | . 2 ⊢ (𝑆 ⊆ No → <s Or 𝑆) |
| 4 | somo 5569 | . 2 ⊢ ( <s Or 𝑆 → ∃*𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 ¬ 𝑦 <s 𝑥) | |
| 5 | 3, 4 | syl 17 | 1 ⊢ (𝑆 ⊆ No → ∃*𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 ¬ 𝑦 <s 𝑥) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∀wral 3049 ∃*wrmo 3347 ⊆ wss 3899 class class class wbr 5096 Or wor 5529 No csur 27605 <s cslt 27606 |
| 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 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 |
| 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 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rmo 3348 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-tp 4583 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-ord 6318 df-on 6319 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-fv 6498 df-1o 8395 df-2o 8396 df-no 27608 df-slt 27609 |
| This theorem is referenced by: noinfno 27684 noinfbday 27686 noinfbnd1 27695 noinfbnd2 27697 |
| Copyright terms: Public domain | W3C validator |