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Mirrors > Home > MPE Home > Th. List > ssltex1 | Structured version Visualization version GIF version |
Description: The first argument of surreal set less-than exists. (Contributed by Scott Fenton, 8-Dec-2021.) |
Ref | Expression |
---|---|
ssltex1 | ⊢ (𝐴 <<s 𝐵 → 𝐴 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brsslt 27168 | . 2 ⊢ (𝐴 <<s 𝐵 ↔ ((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 ⊆ No ∧ 𝐵 ⊆ No ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦))) | |
2 | simpll 765 | . 2 ⊢ (((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 ⊆ No ∧ 𝐵 ⊆ No ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦)) → 𝐴 ∈ V) | |
3 | 1, 2 | sylbi 216 | 1 ⊢ (𝐴 <<s 𝐵 → 𝐴 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1087 ∈ wcel 2106 ∀wral 3060 Vcvv 3446 ⊆ wss 3913 class class class wbr 5110 No csur 27025 <s cslt 27026 <<s csslt 27163 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pr 5389 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-br 5111 df-opab 5173 df-xp 5644 df-sslt 27164 |
This theorem is referenced by: sssslt1 27177 sssslt2 27178 conway 27181 scutval 27182 sslttr 27189 ssltun1 27190 ssltun2 27191 etasslt 27195 etasslt2 27196 scutbdaybnd2lim 27199 slerec 27201 madecut 27255 coinitsslt 27281 cofcut1 27282 cofcutr 27286 addsunif 27353 negsunif 27393 |
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