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| Mirrors > Home > MPE Home > Th. List > ssltss2 | Structured version Visualization version GIF version | ||
| Description: The second argument of surreal set is a set of surreals. (Contributed by Scott Fenton, 8-Dec-2021.) |
| Ref | Expression |
|---|---|
| ssltss2 | ⊢ (𝐴 <<s 𝐵 → 𝐵 ⊆ No ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brsslt 27725 | . 2 ⊢ (𝐴 <<s 𝐵 ↔ ((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 ⊆ No ∧ 𝐵 ⊆ No ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦))) | |
| 2 | simpr2 1196 | . 2 ⊢ (((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 ⊆ No ∧ 𝐵 ⊆ No ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦)) → 𝐵 ⊆ No ) | |
| 3 | 1, 2 | sylbi 217 | 1 ⊢ (𝐴 <<s 𝐵 → 𝐵 ⊆ No ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 ∈ wcel 2111 ∀wral 3047 Vcvv 3436 ⊆ wss 3897 class class class wbr 5089 No csur 27578 <s cslt 27579 <<s csslt 27720 |
| 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-ext 2703 ax-sep 5232 ax-nul 5242 ax-pr 5368 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2710 df-cleq 2723 df-clel 2806 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3900 df-un 3902 df-ss 3914 df-nul 4281 df-if 4473 df-sn 4574 df-pr 4576 df-op 4580 df-br 5090 df-opab 5152 df-xp 5620 df-sslt 27721 |
| This theorem is referenced by: sssslt1 27736 sssslt2 27737 conway 27740 sslttr 27748 ssltun1 27749 ssltun2 27750 etasslt 27754 slerec 27760 sltrec 27762 eqscut3 27765 cofsslt 27862 coinitsslt 27863 cofcut1 27864 cofcutr 27868 cutlt 27876 cutmax 27878 addsuniflem 27944 negsunif 27997 ssltmul1 28086 ssltmul2 28087 mulsuniflem 28088 mulsunif2lem 28108 precsexlem11 28155 renegscl 28400 |
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