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Theorem sltmuls2 28156
Description: One surreal set less-than relationship for cuts of 𝐴 and 𝐵. (Contributed by Scott Fenton, 7-Mar-2025.)
Hypotheses
Ref Expression
sltmuls2.1 (𝜑𝐿 <<s 𝑅)
sltmuls2.2 (𝜑𝑀 <<s 𝑆)
sltmuls2.3 (𝜑𝐴 = (𝐿 |s 𝑅))
sltmuls2.4 (𝜑𝐵 = (𝑀 |s 𝑆))
Assertion
Ref Expression
sltmuls2 (𝜑 → {(𝐴 ·s 𝐵)} <<s ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}))
Distinct variable groups:   𝐴,𝑐   𝐴,𝑑   𝑡,𝐴,𝑢   𝑣,𝐴,𝑤   𝐵,𝑐   𝐵,𝑑   𝑡,𝐵,𝑢   𝑣,𝐵,𝑤   𝐿,𝑐,𝑡,𝑢   𝑀,𝑑,𝑣,𝑤   𝑅,𝑑,𝑣,𝑤   𝑆,𝑐,𝑡,𝑢   𝜑,𝑐,𝑡,𝑢   𝜑,𝑑,𝑣,𝑤
Allowed substitution hints:   𝑅(𝑢,𝑡,𝑐)   𝑆(𝑤,𝑣,𝑑)   𝐿(𝑤,𝑣,𝑑)   𝑀(𝑢,𝑡,𝑐)

Proof of Theorem sltmuls2
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 snex 5385 . . 3 {(𝐴 ·s 𝐵)} ∈ V
21a1i 11 . 2 (𝜑 → {(𝐴 ·s 𝐵)} ∈ V)
3 eqid 2737 . . . . 5 (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) = (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)))
43rnmpo 7501 . . . 4 ran (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) = {𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))}
5 sltmuls2.1 . . . . . . 7 (𝜑𝐿 <<s 𝑅)
6 sltsex1 27771 . . . . . . 7 (𝐿 <<s 𝑅𝐿 ∈ V)
75, 6syl 17 . . . . . 6 (𝜑𝐿 ∈ V)
8 sltmuls2.2 . . . . . . 7 (𝜑𝑀 <<s 𝑆)
9 sltsex2 27772 . . . . . . 7 (𝑀 <<s 𝑆𝑆 ∈ V)
108, 9syl 17 . . . . . 6 (𝜑𝑆 ∈ V)
113mpoexg 8030 . . . . . 6 ((𝐿 ∈ V ∧ 𝑆 ∈ V) → (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) ∈ V)
127, 10, 11syl2anc 585 . . . . 5 (𝜑 → (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) ∈ V)
13 rnexg 7854 . . . . 5 ((𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) ∈ V → ran (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) ∈ V)
1412, 13syl 17 . . . 4 (𝜑 → ran (𝑡𝐿, 𝑢𝑆 ↦ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))) ∈ V)
154, 14eqeltrrid 2842 . . 3 (𝜑 → {𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∈ V)
16 eqid 2737 . . . . 5 (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) = (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)))
1716rnmpo 7501 . . . 4 ran (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) = {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}
18 sltsex2 27772 . . . . . . 7 (𝐿 <<s 𝑅𝑅 ∈ V)
195, 18syl 17 . . . . . 6 (𝜑𝑅 ∈ V)
20 sltsex1 27771 . . . . . . 7 (𝑀 <<s 𝑆𝑀 ∈ V)
218, 20syl 17 . . . . . 6 (𝜑𝑀 ∈ V)
2216mpoexg 8030 . . . . . 6 ((𝑅 ∈ V ∧ 𝑀 ∈ V) → (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) ∈ V)
2319, 21, 22syl2anc 585 . . . . 5 (𝜑 → (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) ∈ V)
24 rnexg 7854 . . . . 5 ((𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) ∈ V → ran (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) ∈ V)
2523, 24syl 17 . . . 4 (𝜑 → ran (𝑣𝑅, 𝑤𝑀 ↦ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) ∈ V)
2617, 25eqeltrrid 2842 . . 3 (𝜑 → {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))} ∈ V)
2715, 26unexd 7709 . 2 (𝜑 → ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) ∈ V)
28 sltmuls2.3 . . . . 5 (𝜑𝐴 = (𝐿 |s 𝑅))
295cutscld 27791 . . . . 5 (𝜑 → (𝐿 |s 𝑅) ∈ No )
3028, 29eqeltrd 2837 . . . 4 (𝜑𝐴 No )
31 sltmuls2.4 . . . . 5 (𝜑𝐵 = (𝑀 |s 𝑆))
328cutscld 27791 . . . . 5 (𝜑 → (𝑀 |s 𝑆) ∈ No )
3331, 32eqeltrd 2837 . . . 4 (𝜑𝐵 No )
3430, 33mulscld 28143 . . 3 (𝜑 → (𝐴 ·s 𝐵) ∈ No )
3534snssd 4767 . 2 (𝜑 → {(𝐴 ·s 𝐵)} ⊆ No )
36 sltsss1 27773 . . . . . . . . . . . 12 (𝐿 <<s 𝑅𝐿 No )
375, 36syl 17 . . . . . . . . . . 11 (𝜑𝐿 No )
3837adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐿 No )
39 simprl 771 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝑡𝐿)
4038, 39sseldd 3936 . . . . . . . . 9 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝑡 No )
4133adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐵 No )
4240, 41mulscld 28143 . . . . . . . 8 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝑡 ·s 𝐵) ∈ No )
4330adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐴 No )
44 sltsss2 27774 . . . . . . . . . . . 12 (𝑀 <<s 𝑆𝑆 No )
458, 44syl 17 . . . . . . . . . . 11 (𝜑𝑆 No )
4645adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝑆 No )
47 simprr 773 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝑢𝑆)
4846, 47sseldd 3936 . . . . . . . . 9 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝑢 No )
4943, 48mulscld 28143 . . . . . . . 8 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝐴 ·s 𝑢) ∈ No )
5042, 49addscld 27988 . . . . . . 7 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → ((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) ∈ No )
5140, 48mulscld 28143 . . . . . . 7 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝑡 ·s 𝑢) ∈ No )
5250, 51subscld 28071 . . . . . 6 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ∈ No )
53 eleq1 2825 . . . . . 6 (𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) → (𝑐 No ↔ (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ∈ No ))
5452, 53syl5ibrcom 247 . . . . 5 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) → 𝑐 No ))
5554rexlimdvva 3195 . . . 4 (𝜑 → (∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) → 𝑐 No ))
5655abssdv 4021 . . 3 (𝜑 → {𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ⊆ No )
57 sltsss2 27774 . . . . . . . . . . . 12 (𝐿 <<s 𝑅𝑅 No )
585, 57syl 17 . . . . . . . . . . 11 (𝜑𝑅 No )
5958adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑅 No )
60 simprl 771 . . . . . . . . . 10 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑣𝑅)
6159, 60sseldd 3936 . . . . . . . . 9 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑣 No )
6233adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝐵 No )
6361, 62mulscld 28143 . . . . . . . 8 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝑣 ·s 𝐵) ∈ No )
6430adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝐴 No )
65 sltsss1 27773 . . . . . . . . . . . 12 (𝑀 <<s 𝑆𝑀 No )
668, 65syl 17 . . . . . . . . . . 11 (𝜑𝑀 No )
6766adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑀 No )
68 simprr 773 . . . . . . . . . 10 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑤𝑀)
6967, 68sseldd 3936 . . . . . . . . 9 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑤 No )
7064, 69mulscld 28143 . . . . . . . 8 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝐴 ·s 𝑤) ∈ No )
7163, 70addscld 27988 . . . . . . 7 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → ((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) ∈ No )
7261, 69mulscld 28143 . . . . . . 7 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝑣 ·s 𝑤) ∈ No )
7371, 72subscld 28071 . . . . . 6 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) ∈ No )
74 eleq1 2825 . . . . . 6 (𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) → (𝑑 No ↔ (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) ∈ No ))
7573, 74syl5ibrcom 247 . . . . 5 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) → 𝑑 No ))
7675rexlimdvva 3195 . . . 4 (𝜑 → (∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) → 𝑑 No ))
7776abssdv 4021 . . 3 (𝜑 → {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))} ⊆ No )
7856, 77unssd 4146 . 2 (𝜑 → ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) ⊆ No )
79 elun 4107 . . . . . 6 (𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) ↔ (𝑦 ∈ {𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∨ 𝑦 ∈ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}))
80 vex 3446 . . . . . . . 8 𝑦 ∈ V
81 eqeq1 2741 . . . . . . . . 9 (𝑐 = 𝑦 → (𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ↔ 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))))
82812rexbidv 3203 . . . . . . . 8 (𝑐 = 𝑦 → (∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ↔ ∃𝑡𝐿𝑢𝑆 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))))
8380, 82elab 3636 . . . . . . 7 (𝑦 ∈ {𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ↔ ∃𝑡𝐿𝑢𝑆 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)))
84 eqeq1 2741 . . . . . . . . 9 (𝑑 = 𝑦 → (𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) ↔ 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))))
85842rexbidv 3203 . . . . . . . 8 (𝑑 = 𝑦 → (∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) ↔ ∃𝑣𝑅𝑤𝑀 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))))
8680, 85elab 3636 . . . . . . 7 (𝑦 ∈ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))} ↔ ∃𝑣𝑅𝑤𝑀 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)))
8783, 86orbi12i 915 . . . . . 6 ((𝑦 ∈ {𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∨ 𝑦 ∈ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) ↔ (∃𝑡𝐿𝑢𝑆 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ∨ ∃𝑣𝑅𝑤𝑀 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))))
8879, 87bitri 275 . . . . 5 (𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) ↔ (∃𝑡𝐿𝑢𝑆 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ∨ ∃𝑣𝑅𝑤𝑀 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))))
89 cutcuts 27789 . . . . . . . . . . . . . . 15 (𝐿 <<s 𝑅 → ((𝐿 |s 𝑅) ∈ No 𝐿 <<s {(𝐿 |s 𝑅)} ∧ {(𝐿 |s 𝑅)} <<s 𝑅))
905, 89syl 17 . . . . . . . . . . . . . 14 (𝜑 → ((𝐿 |s 𝑅) ∈ No 𝐿 <<s {(𝐿 |s 𝑅)} ∧ {(𝐿 |s 𝑅)} <<s 𝑅))
9190simp2d 1144 . . . . . . . . . . . . 13 (𝜑𝐿 <<s {(𝐿 |s 𝑅)})
9291adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐿 <<s {(𝐿 |s 𝑅)})
93 ovex 7401 . . . . . . . . . . . . . . 15 (𝐿 |s 𝑅) ∈ V
9493snid 4621 . . . . . . . . . . . . . 14 (𝐿 |s 𝑅) ∈ {(𝐿 |s 𝑅)}
9528, 94eqeltrdi 2845 . . . . . . . . . . . . 13 (𝜑𝐴 ∈ {(𝐿 |s 𝑅)})
9695adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐴 ∈ {(𝐿 |s 𝑅)})
9792, 39, 96sltssepcd 27780 . . . . . . . . . . 11 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝑡 <s 𝐴)
98 cutcuts 27789 . . . . . . . . . . . . . . 15 (𝑀 <<s 𝑆 → ((𝑀 |s 𝑆) ∈ No 𝑀 <<s {(𝑀 |s 𝑆)} ∧ {(𝑀 |s 𝑆)} <<s 𝑆))
998, 98syl 17 . . . . . . . . . . . . . 14 (𝜑 → ((𝑀 |s 𝑆) ∈ No 𝑀 <<s {(𝑀 |s 𝑆)} ∧ {(𝑀 |s 𝑆)} <<s 𝑆))
10099simp3d 1145 . . . . . . . . . . . . 13 (𝜑 → {(𝑀 |s 𝑆)} <<s 𝑆)
101100adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → {(𝑀 |s 𝑆)} <<s 𝑆)
102 ovex 7401 . . . . . . . . . . . . . . 15 (𝑀 |s 𝑆) ∈ V
103102snid 4621 . . . . . . . . . . . . . 14 (𝑀 |s 𝑆) ∈ {(𝑀 |s 𝑆)}
10431, 103eqeltrdi 2845 . . . . . . . . . . . . 13 (𝜑𝐵 ∈ {(𝑀 |s 𝑆)})
105104adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐵 ∈ {(𝑀 |s 𝑆)})
106101, 105, 47sltssepcd 27780 . . . . . . . . . . 11 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → 𝐵 <s 𝑢)
10740, 43, 41, 48, 97, 106ltmulsd 28145 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → ((𝑡 ·s 𝑢) -s (𝑡 ·s 𝐵)) <s ((𝐴 ·s 𝑢) -s (𝐴 ·s 𝐵)))
10834adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝐴 ·s 𝐵) ∈ No )
10951, 42, 49, 108ltsubsubs2bd 28092 . . . . . . . . . . 11 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (((𝑡 ·s 𝑢) -s (𝑡 ·s 𝐵)) <s ((𝐴 ·s 𝑢) -s (𝐴 ·s 𝐵)) ↔ ((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑢)) <s ((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢))))
11042, 51subscld 28071 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → ((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢)) ∈ No )
111108, 49, 110ltsubaddsd 28097 . . . . . . . . . . 11 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑢)) <s ((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢)) ↔ (𝐴 ·s 𝐵) <s (((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢)) +s (𝐴 ·s 𝑢))))
112109, 111bitrd 279 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (((𝑡 ·s 𝑢) -s (𝑡 ·s 𝐵)) <s ((𝐴 ·s 𝑢) -s (𝐴 ·s 𝐵)) ↔ (𝐴 ·s 𝐵) <s (((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢)) +s (𝐴 ·s 𝑢))))
113107, 112mpbid 232 . . . . . . . . 9 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝐴 ·s 𝐵) <s (((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢)) +s (𝐴 ·s 𝑢)))
11442, 49, 51addsubsd 28090 . . . . . . . . 9 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) = (((𝑡 ·s 𝐵) -s (𝑡 ·s 𝑢)) +s (𝐴 ·s 𝑢)))
115113, 114breqtrrd 5128 . . . . . . . 8 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝐴 ·s 𝐵) <s (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)))
116 breq2 5104 . . . . . . . 8 (𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) → ((𝐴 ·s 𝐵) <s 𝑦 ↔ (𝐴 ·s 𝐵) <s (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))))
117115, 116syl5ibrcom 247 . . . . . . 7 ((𝜑 ∧ (𝑡𝐿𝑢𝑆)) → (𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) → (𝐴 ·s 𝐵) <s 𝑦))
118117rexlimdvva 3195 . . . . . 6 (𝜑 → (∃𝑡𝐿𝑢𝑆 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) → (𝐴 ·s 𝐵) <s 𝑦))
11990simp3d 1145 . . . . . . . . . . . . 13 (𝜑 → {(𝐿 |s 𝑅)} <<s 𝑅)
120119adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → {(𝐿 |s 𝑅)} <<s 𝑅)
12195adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝐴 ∈ {(𝐿 |s 𝑅)})
122120, 121, 60sltssepcd 27780 . . . . . . . . . . 11 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝐴 <s 𝑣)
12399simp2d 1144 . . . . . . . . . . . . 13 (𝜑𝑀 <<s {(𝑀 |s 𝑆)})
124123adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑀 <<s {(𝑀 |s 𝑆)})
125104adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝐵 ∈ {(𝑀 |s 𝑆)})
126124, 68, 125sltssepcd 27780 . . . . . . . . . . 11 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → 𝑤 <s 𝐵)
12764, 61, 69, 62, 122, 126ltmulsd 28145 . . . . . . . . . 10 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → ((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑤)) <s ((𝑣 ·s 𝐵) -s (𝑣 ·s 𝑤)))
12834adantr 480 . . . . . . . . . . 11 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝐴 ·s 𝐵) ∈ No )
12963, 72subscld 28071 . . . . . . . . . . 11 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → ((𝑣 ·s 𝐵) -s (𝑣 ·s 𝑤)) ∈ No )
130128, 70, 129ltsubaddsd 28097 . . . . . . . . . 10 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑤)) <s ((𝑣 ·s 𝐵) -s (𝑣 ·s 𝑤)) ↔ (𝐴 ·s 𝐵) <s (((𝑣 ·s 𝐵) -s (𝑣 ·s 𝑤)) +s (𝐴 ·s 𝑤))))
131127, 130mpbid 232 . . . . . . . . 9 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝐴 ·s 𝐵) <s (((𝑣 ·s 𝐵) -s (𝑣 ·s 𝑤)) +s (𝐴 ·s 𝑤)))
13263, 70, 72addsubsd 28090 . . . . . . . . 9 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) = (((𝑣 ·s 𝐵) -s (𝑣 ·s 𝑤)) +s (𝐴 ·s 𝑤)))
133131, 132breqtrrd 5128 . . . . . . . 8 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝐴 ·s 𝐵) <s (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)))
134 breq2 5104 . . . . . . . 8 (𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) → ((𝐴 ·s 𝐵) <s 𝑦 ↔ (𝐴 ·s 𝐵) <s (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))))
135133, 134syl5ibrcom 247 . . . . . . 7 ((𝜑 ∧ (𝑣𝑅𝑤𝑀)) → (𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) → (𝐴 ·s 𝐵) <s 𝑦))
136135rexlimdvva 3195 . . . . . 6 (𝜑 → (∃𝑣𝑅𝑤𝑀 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤)) → (𝐴 ·s 𝐵) <s 𝑦))
137118, 136jaod 860 . . . . 5 (𝜑 → ((∃𝑡𝐿𝑢𝑆 𝑦 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢)) ∨ ∃𝑣𝑅𝑤𝑀 𝑦 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))) → (𝐴 ·s 𝐵) <s 𝑦))
13888, 137biimtrid 242 . . . 4 (𝜑 → (𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) → (𝐴 ·s 𝐵) <s 𝑦))
139 velsn 4598 . . . . 5 (𝑥 ∈ {(𝐴 ·s 𝐵)} ↔ 𝑥 = (𝐴 ·s 𝐵))
140 breq1 5103 . . . . . 6 (𝑥 = (𝐴 ·s 𝐵) → (𝑥 <s 𝑦 ↔ (𝐴 ·s 𝐵) <s 𝑦))
141140imbi2d 340 . . . . 5 (𝑥 = (𝐴 ·s 𝐵) → ((𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) → 𝑥 <s 𝑦) ↔ (𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) → (𝐴 ·s 𝐵) <s 𝑦)))
142139, 141sylbi 217 . . . 4 (𝑥 ∈ {(𝐴 ·s 𝐵)} → ((𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) → 𝑥 <s 𝑦) ↔ (𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) → (𝐴 ·s 𝐵) <s 𝑦)))
143138, 142syl5ibrcom 247 . . 3 (𝜑 → (𝑥 ∈ {(𝐴 ·s 𝐵)} → (𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}) → 𝑥 <s 𝑦)))
1441433imp 1111 . 2 ((𝜑𝑥 ∈ {(𝐴 ·s 𝐵)} ∧ 𝑦 ∈ ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))})) → 𝑥 <s 𝑦)
1452, 27, 35, 78, 144sltsd 27776 1 (𝜑 → {(𝐴 ·s 𝐵)} <<s ({𝑐 ∣ ∃𝑡𝐿𝑢𝑆 𝑐 = (((𝑡 ·s 𝐵) +s (𝐴 ·s 𝑢)) -s (𝑡 ·s 𝑢))} ∪ {𝑑 ∣ ∃𝑣𝑅𝑤𝑀 𝑑 = (((𝑣 ·s 𝐵) +s (𝐴 ·s 𝑤)) -s (𝑣 ·s 𝑤))}))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wo 848  w3a 1087   = wceq 1542  wcel 2114  {cab 2715  wrex 3062  Vcvv 3442  cun 3901  wss 3903  {csn 4582   class class class wbr 5100  ran crn 5633  (class class class)co 7368  cmpo 7370   No csur 27619   <s clts 27620   <<s cslts 27765   |s ccuts 27767   +s cadds 27967   -s csubs 28028   ·s cmuls 28114
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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5226  ax-sep 5243  ax-nul 5253  ax-pow 5312  ax-pr 5379  ax-un 7690
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rmo 3352  df-reu 3353  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-tp 4587  df-op 4589  df-ot 4591  df-uni 4866  df-int 4905  df-iun 4950  df-br 5101  df-opab 5163  df-mpt 5182  df-tr 5208  df-id 5527  df-eprel 5532  df-po 5540  df-so 5541  df-fr 5585  df-se 5586  df-we 5587  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-pred 6267  df-ord 6328  df-on 6329  df-suc 6331  df-iota 6456  df-fun 6502  df-fn 6503  df-f 6504  df-f1 6505  df-fo 6506  df-f1o 6507  df-fv 6508  df-riota 7325  df-ov 7371  df-oprab 7372  df-mpo 7373  df-1st 7943  df-2nd 7944  df-frecs 8233  df-wrecs 8264  df-recs 8313  df-1o 8407  df-2o 8408  df-nadd 8604  df-no 27622  df-lts 27623  df-bday 27624  df-les 27725  df-slts 27766  df-cuts 27768  df-0s 27815  df-made 27835  df-old 27836  df-left 27838  df-right 27839  df-norec 27946  df-norec2 27957  df-adds 27968  df-negs 28029  df-subs 28030  df-muls 28115
This theorem is referenced by:  mulsuniflem  28157
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