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Mirrors > Home > MPE Home > Th. List > Mathboxes > ssltd | Structured version Visualization version GIF version |
Description: Deduce surreal set less than. (Contributed by Scott Fenton, 24-Sep-2024.) |
Ref | Expression |
---|---|
ssltd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
ssltd.2 | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
ssltd.3 | ⊢ (𝜑 → 𝐴 ⊆ No ) |
ssltd.4 | ⊢ (𝜑 → 𝐵 ⊆ No ) |
ssltd.5 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝑥 <s 𝑦) |
Ref | Expression |
---|---|
ssltd | ⊢ (𝜑 → 𝐴 <<s 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssltd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
2 | 1 | elexd 3418 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) |
3 | ssltd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
4 | 3 | elexd 3418 | . 2 ⊢ (𝜑 → 𝐵 ∈ V) |
5 | ssltd.3 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ No ) | |
6 | ssltd.4 | . . 3 ⊢ (𝜑 → 𝐵 ⊆ No ) | |
7 | ssltd.5 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝑥 <s 𝑦) | |
8 | 7 | 3expb 1122 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝑥 <s 𝑦) |
9 | 8 | ralrimivva 3102 | . . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦) |
10 | 5, 6, 9 | 3jca 1130 | . 2 ⊢ (𝜑 → (𝐴 ⊆ No ∧ 𝐵 ⊆ No ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦)) |
11 | brsslt 33666 | . 2 ⊢ (𝐴 <<s 𝐵 ↔ ((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 ⊆ No ∧ 𝐵 ⊆ No ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 <s 𝑦))) | |
12 | 2, 4, 10, 11 | syl21anbrc 1346 | 1 ⊢ (𝜑 → 𝐴 <<s 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1089 ∈ wcel 2112 ∀wral 3051 Vcvv 3398 ⊆ wss 3853 class class class wbr 5039 No csur 33529 <s cslt 33530 <<s csslt 33661 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pr 5307 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-sb 2073 df-clab 2715 df-cleq 2728 df-clel 2809 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-sn 4528 df-pr 4530 df-op 4534 df-br 5040 df-opab 5102 df-xp 5542 df-sslt 33662 |
This theorem is referenced by: nulsslt 33677 nulssgt 33678 sslttr 33687 ssltun1 33688 ssltun2 33689 ssltleft 33740 ssltright 33741 cofsslt 33774 coinitsslt 33775 cofcutr 33778 |
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