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Theorem sltmuls1 28298
Description: One surreal set less-than relationship for cuts of 𝐴 and 𝐵. (Contributed by Scott Fenton, 7-Mar-2025.)
Hypotheses
Ref Expression
sltmuls1.1 (𝜑𝐿 <<s 𝑅)
sltmuls1.2 (𝜑𝑀 <<s 𝑆)
sltmuls1.3 (𝜑𝐴 = (𝐿 |s 𝑅))
sltmuls1.4 (𝜑𝐵 = (𝑀 |s 𝑆))
Assertion
Ref Expression
sltmuls1 (𝜑 → ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) <<s {(𝐴 ·s 𝐵)})
Distinct variable groups:   𝐴,𝑎   𝐴,𝑏   𝐴,𝑝,𝑞   𝐴,𝑟,𝑠   𝐵,𝑎   𝐵,𝑏   𝐵,𝑝,𝑞   𝐵,𝑟,𝑠   𝐿,𝑎,𝑝,𝑞   𝑀,𝑎,𝑝,𝑞   𝑅,𝑏,𝑟,𝑠   𝑆,𝑏,𝑟,𝑠   𝜑,𝑝,𝑎,𝑞   𝜑,𝑏,𝑟,𝑠
Allowed substitution hints:   𝑅(𝑞,𝑝,𝑎)   𝑆(𝑞,𝑝,𝑎)   𝐿(𝑠,𝑟,𝑏)   𝑀(𝑠,𝑟,𝑏)

Proof of Theorem sltmuls1
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2765 . . . . 5 (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) = (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)))
21rnmpo 7533 . . . 4 ran (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) = {𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))}
3 sltmuls1.1 . . . . . . 7 (𝜑𝐿 <<s 𝑅)
4 sltsex1 27914 . . . . . . 7 (𝐿 <<s 𝑅𝐿 ∈ V)
53, 4syl 18 . . . . . 6 (𝜑𝐿 ∈ V)
6 sltmuls1.2 . . . . . . 7 (𝜑𝑀 <<s 𝑆)
7 sltsex1 27914 . . . . . . 7 (𝑀 <<s 𝑆𝑀 ∈ V)
86, 7syl 18 . . . . . 6 (𝜑𝑀 ∈ V)
91mpoexg 8061 . . . . . 6 ((𝐿 ∈ V ∧ 𝑀 ∈ V) → (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) ∈ V)
105, 8, 9syl2anc 595 . . . . 5 (𝜑 → (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) ∈ V)
11 rnexg 7887 . . . . 5 ((𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) ∈ V → ran (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) ∈ V)
1210, 11syl 18 . . . 4 (𝜑 → ran (𝑝𝐿, 𝑞𝑀 ↦ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))) ∈ V)
132, 12eqeltrrid 2870 . . 3 (𝜑 → {𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∈ V)
14 eqid 2765 . . . . 5 (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) = (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)))
1514rnmpo 7533 . . . 4 ran (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) = {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}
16 sltsex2 27915 . . . . . . 7 (𝐿 <<s 𝑅𝑅 ∈ V)
173, 16syl 18 . . . . . 6 (𝜑𝑅 ∈ V)
18 sltsex2 27915 . . . . . . 7 (𝑀 <<s 𝑆𝑆 ∈ V)
196, 18syl 18 . . . . . 6 (𝜑𝑆 ∈ V)
2014mpoexg 8061 . . . . . 6 ((𝑅 ∈ V ∧ 𝑆 ∈ V) → (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) ∈ V)
2117, 19, 20syl2anc 595 . . . . 5 (𝜑 → (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) ∈ V)
22 rnexg 7887 . . . . 5 ((𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) ∈ V → ran (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) ∈ V)
2321, 22syl 18 . . . 4 (𝜑 → ran (𝑟𝑅, 𝑠𝑆 ↦ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) ∈ V)
2415, 23eqeltrrid 2870 . . 3 (𝜑 → {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))} ∈ V)
2513, 24unexd 7741 . 2 (𝜑 → ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) ∈ V)
26 snex 5401 . . 3 {(𝐴 ·s 𝐵)} ∈ V
2726a1i 11 . 2 (𝜑 → {(𝐴 ·s 𝐵)} ∈ V)
28 sltsss1 27916 . . . . . . . . . . . 12 (𝐿 <<s 𝑅𝐿 No )
293, 28syl 18 . . . . . . . . . . 11 (𝜑𝐿 No )
3029adantr 485 . . . . . . . . . 10 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝐿 No )
31 simprl 782 . . . . . . . . . 10 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑝𝐿)
3230, 31sseldd 3940 . . . . . . . . 9 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑝 No )
33 sltmuls1.4 . . . . . . . . . . 11 (𝜑𝐵 = (𝑀 |s 𝑆))
346cutscld 27934 . . . . . . . . . . 11 (𝜑 → (𝑀 |s 𝑆) ∈ No )
3533, 34eqeltrd 2865 . . . . . . . . . 10 (𝜑𝐵 No )
3635adantr 485 . . . . . . . . 9 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝐵 No )
3732, 36mulscld 28286 . . . . . . . 8 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (𝑝 ·s 𝐵) ∈ No )
38 sltmuls1.3 . . . . . . . . . . 11 (𝜑𝐴 = (𝐿 |s 𝑅))
393cutscld 27934 . . . . . . . . . . 11 (𝜑 → (𝐿 |s 𝑅) ∈ No )
4038, 39eqeltrd 2865 . . . . . . . . . 10 (𝜑𝐴 No )
4140adantr 485 . . . . . . . . 9 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝐴 No )
42 sltsss1 27916 . . . . . . . . . . . 12 (𝑀 <<s 𝑆𝑀 No )
436, 42syl 18 . . . . . . . . . . 11 (𝜑𝑀 No )
4443adantr 485 . . . . . . . . . 10 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑀 No )
45 simprr 784 . . . . . . . . . 10 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑞𝑀)
4644, 45sseldd 3940 . . . . . . . . 9 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑞 No )
4741, 46mulscld 28286 . . . . . . . 8 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (𝐴 ·s 𝑞) ∈ No )
4837, 47addscld 28131 . . . . . . 7 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → ((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) ∈ No )
4932, 46mulscld 28286 . . . . . . 7 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (𝑝 ·s 𝑞) ∈ No )
5048, 49subscld 28214 . . . . . 6 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ∈ No )
51 eleq1 2853 . . . . . 6 (𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) → (𝑎 No ↔ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ∈ No ))
5250, 51syl5ibrcom 250 . . . . 5 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) → 𝑎 No ))
5352rexlimdvva 3222 . . . 4 (𝜑 → (∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) → 𝑎 No ))
5453abssdv 4023 . . 3 (𝜑 → {𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ⊆ No )
55 sltsss2 27917 . . . . . . . . . . . 12 (𝐿 <<s 𝑅𝑅 No )
563, 55syl 18 . . . . . . . . . . 11 (𝜑𝑅 No )
5756adantr 485 . . . . . . . . . 10 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑅 No )
58 simprl 782 . . . . . . . . . 10 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑟𝑅)
5957, 58sseldd 3940 . . . . . . . . 9 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑟 No )
6035adantr 485 . . . . . . . . 9 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐵 No )
6159, 60mulscld 28286 . . . . . . . 8 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (𝑟 ·s 𝐵) ∈ No )
6240adantr 485 . . . . . . . . 9 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐴 No )
63 sltsss2 27917 . . . . . . . . . . . 12 (𝑀 <<s 𝑆𝑆 No )
646, 63syl 18 . . . . . . . . . . 11 (𝜑𝑆 No )
6564adantr 485 . . . . . . . . . 10 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑆 No )
66 simprr 784 . . . . . . . . . 10 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑠𝑆)
6765, 66sseldd 3940 . . . . . . . . 9 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑠 No )
6862, 67mulscld 28286 . . . . . . . 8 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (𝐴 ·s 𝑠) ∈ No )
6961, 68addscld 28131 . . . . . . 7 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) ∈ No )
7059, 67mulscld 28286 . . . . . . 7 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (𝑟 ·s 𝑠) ∈ No )
7169, 70subscld 28214 . . . . . 6 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) ∈ No )
72 eleq1 2853 . . . . . 6 (𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) → (𝑏 No ↔ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) ∈ No ))
7371, 72syl5ibrcom 250 . . . . 5 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) → 𝑏 No ))
7473rexlimdvva 3222 . . . 4 (𝜑 → (∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) → 𝑏 No ))
7574abssdv 4023 . . 3 (𝜑 → {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))} ⊆ No )
7654, 75unssd 4147 . 2 (𝜑 → ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) ⊆ No )
7740, 35mulscld 28286 . . 3 (𝜑 → (𝐴 ·s 𝐵) ∈ No )
7877snssd 4748 . 2 (𝜑 → {(𝐴 ·s 𝐵)} ⊆ No )
79 elun 4109 . . . . . . 7 (𝑥 ∈ ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) ↔ (𝑥 ∈ {𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∨ 𝑥 ∈ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}))
80 vex 3461 . . . . . . . . 9 𝑥 ∈ V
81 eqeq1 2769 . . . . . . . . . 10 (𝑎 = 𝑥 → (𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ↔ 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))))
82812rexbidv 3230 . . . . . . . . 9 (𝑎 = 𝑥 → (∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ↔ ∃𝑝𝐿𝑞𝑀 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))))
8380, 82elab 3641 . . . . . . . 8 (𝑥 ∈ {𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ↔ ∃𝑝𝐿𝑞𝑀 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)))
84 eqeq1 2769 . . . . . . . . . 10 (𝑏 = 𝑥 → (𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) ↔ 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))))
85842rexbidv 3230 . . . . . . . . 9 (𝑏 = 𝑥 → (∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) ↔ ∃𝑟𝑅𝑠𝑆 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))))
8680, 85elab 3641 . . . . . . . 8 (𝑥 ∈ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))} ↔ ∃𝑟𝑅𝑠𝑆 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)))
8783, 86orbi12i 927 . . . . . . 7 ((𝑥 ∈ {𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∨ 𝑥 ∈ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) ↔ (∃𝑝𝐿𝑞𝑀 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ∨ ∃𝑟𝑅𝑠𝑆 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))))
8879, 87bitri 278 . . . . . 6 (𝑥 ∈ ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) ↔ (∃𝑝𝐿𝑞𝑀 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ∨ ∃𝑟𝑅𝑠𝑆 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))))
8937, 47, 49addsubsd 28233 . . . . . . . . . 10 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) = (((𝑝 ·s 𝐵) -s (𝑝 ·s 𝑞)) +s (𝐴 ·s 𝑞)))
90 cutcuts 27932 . . . . . . . . . . . . . . . 16 (𝐿 <<s 𝑅 → ((𝐿 |s 𝑅) ∈ No 𝐿 <<s {(𝐿 |s 𝑅)} ∧ {(𝐿 |s 𝑅)} <<s 𝑅))
913, 90syl 18 . . . . . . . . . . . . . . 15 (𝜑 → ((𝐿 |s 𝑅) ∈ No 𝐿 <<s {(𝐿 |s 𝑅)} ∧ {(𝐿 |s 𝑅)} <<s 𝑅))
9291simp2d 1159 . . . . . . . . . . . . . 14 (𝜑𝐿 <<s {(𝐿 |s 𝑅)})
9392adantr 485 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝐿 <<s {(𝐿 |s 𝑅)})
94 ovex 7433 . . . . . . . . . . . . . . . 16 (𝐿 |s 𝑅) ∈ V
9594snid 4624 . . . . . . . . . . . . . . 15 (𝐿 |s 𝑅) ∈ {(𝐿 |s 𝑅)}
9638, 95eqeltrdi 2873 . . . . . . . . . . . . . 14 (𝜑𝐴 ∈ {(𝐿 |s 𝑅)})
9796adantr 485 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝐴 ∈ {(𝐿 |s 𝑅)})
9893, 31, 97sltssepcd 27923 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑝 <s 𝐴)
99 cutcuts 27932 . . . . . . . . . . . . . . . 16 (𝑀 <<s 𝑆 → ((𝑀 |s 𝑆) ∈ No 𝑀 <<s {(𝑀 |s 𝑆)} ∧ {(𝑀 |s 𝑆)} <<s 𝑆))
1006, 99syl 18 . . . . . . . . . . . . . . 15 (𝜑 → ((𝑀 |s 𝑆) ∈ No 𝑀 <<s {(𝑀 |s 𝑆)} ∧ {(𝑀 |s 𝑆)} <<s 𝑆))
101100simp2d 1159 . . . . . . . . . . . . . 14 (𝜑𝑀 <<s {(𝑀 |s 𝑆)})
102101adantr 485 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑀 <<s {(𝑀 |s 𝑆)})
103 ovex 7433 . . . . . . . . . . . . . . . 16 (𝑀 |s 𝑆) ∈ V
104103snid 4624 . . . . . . . . . . . . . . 15 (𝑀 |s 𝑆) ∈ {(𝑀 |s 𝑆)}
10533, 104eqeltrdi 2873 . . . . . . . . . . . . . 14 (𝜑𝐵 ∈ {(𝑀 |s 𝑆)})
106105adantr 485 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝐵 ∈ {(𝑀 |s 𝑆)})
107102, 45, 106sltssepcd 27923 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → 𝑞 <s 𝐵)
10832, 41, 46, 36, 98, 107ltmulsd 28288 . . . . . . . . . . 11 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → ((𝑝 ·s 𝐵) -s (𝑝 ·s 𝑞)) <s ((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑞)))
10937, 49subscld 28214 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → ((𝑝 ·s 𝐵) -s (𝑝 ·s 𝑞)) ∈ No )
11077adantr 485 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (𝐴 ·s 𝐵) ∈ No )
111109, 47, 110ltaddsubsd 28242 . . . . . . . . . . 11 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → ((((𝑝 ·s 𝐵) -s (𝑝 ·s 𝑞)) +s (𝐴 ·s 𝑞)) <s (𝐴 ·s 𝐵) ↔ ((𝑝 ·s 𝐵) -s (𝑝 ·s 𝑞)) <s ((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑞))))
112108, 111mpbird 260 . . . . . . . . . 10 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (((𝑝 ·s 𝐵) -s (𝑝 ·s 𝑞)) +s (𝐴 ·s 𝑞)) <s (𝐴 ·s 𝐵))
11389, 112eqbrtrd 5127 . . . . . . . . 9 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) <s (𝐴 ·s 𝐵))
114 breq1 5108 . . . . . . . . 9 (𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) → (𝑥 <s (𝐴 ·s 𝐵) ↔ (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) <s (𝐴 ·s 𝐵)))
115113, 114syl5ibrcom 250 . . . . . . . 8 ((𝜑 ∧ (𝑝𝐿𝑞𝑀)) → (𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) → 𝑥 <s (𝐴 ·s 𝐵)))
116115rexlimdvva 3222 . . . . . . 7 (𝜑 → (∃𝑝𝐿𝑞𝑀 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) → 𝑥 <s (𝐴 ·s 𝐵)))
11761, 68, 70addsubsd 28233 . . . . . . . . . 10 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) = (((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) +s (𝐴 ·s 𝑠)))
1183adantr 485 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐿 <<s 𝑅)
119118, 90syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((𝐿 |s 𝑅) ∈ No 𝐿 <<s {(𝐿 |s 𝑅)} ∧ {(𝐿 |s 𝑅)} <<s 𝑅))
120119simp3d 1160 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → {(𝐿 |s 𝑅)} <<s 𝑅)
12138adantr 485 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐴 = (𝐿 |s 𝑅))
122121, 95eqeltrdi 2873 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐴 ∈ {(𝐿 |s 𝑅)})
123120, 122, 58sltssepcd 27923 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐴 <s 𝑟)
1246adantr 485 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝑀 <<s 𝑆)
125124, 99syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((𝑀 |s 𝑆) ∈ No 𝑀 <<s {(𝑀 |s 𝑆)} ∧ {(𝑀 |s 𝑆)} <<s 𝑆))
126125simp3d 1160 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → {(𝑀 |s 𝑆)} <<s 𝑆)
12733adantr 485 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐵 = (𝑀 |s 𝑆))
128127, 104eqeltrdi 2873 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐵 ∈ {(𝑀 |s 𝑆)})
129126, 128, 66sltssepcd 27923 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → 𝐵 <s 𝑠)
13062, 59, 60, 67, 123, 129ltmulsd 28288 . . . . . . . . . . 11 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((𝐴 ·s 𝑠) -s (𝐴 ·s 𝐵)) <s ((𝑟 ·s 𝑠) -s (𝑟 ·s 𝐵)))
13161, 70subscld 28214 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) ∈ No )
13277adantr 485 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (𝐴 ·s 𝐵) ∈ No )
133131, 68, 132ltaddsubsd 28242 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) +s (𝐴 ·s 𝑠)) <s (𝐴 ·s 𝐵) ↔ ((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) <s ((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑠))))
13461, 70, 132, 68ltsubsubs2bd 28235 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) <s ((𝐴 ·s 𝐵) -s (𝐴 ·s 𝑠)) ↔ ((𝐴 ·s 𝑠) -s (𝐴 ·s 𝐵)) <s ((𝑟 ·s 𝑠) -s (𝑟 ·s 𝐵))))
135133, 134bitrd 282 . . . . . . . . . . 11 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → ((((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) +s (𝐴 ·s 𝑠)) <s (𝐴 ·s 𝐵) ↔ ((𝐴 ·s 𝑠) -s (𝐴 ·s 𝐵)) <s ((𝑟 ·s 𝑠) -s (𝑟 ·s 𝐵))))
136130, 135mpbird 260 . . . . . . . . . 10 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (((𝑟 ·s 𝐵) -s (𝑟 ·s 𝑠)) +s (𝐴 ·s 𝑠)) <s (𝐴 ·s 𝐵))
137117, 136eqbrtrd 5127 . . . . . . . . 9 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) <s (𝐴 ·s 𝐵))
138 breq1 5108 . . . . . . . . 9 (𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) → (𝑥 <s (𝐴 ·s 𝐵) ↔ (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) <s (𝐴 ·s 𝐵)))
139137, 138syl5ibrcom 250 . . . . . . . 8 ((𝜑 ∧ (𝑟𝑅𝑠𝑆)) → (𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) → 𝑥 <s (𝐴 ·s 𝐵)))
140139rexlimdvva 3222 . . . . . . 7 (𝜑 → (∃𝑟𝑅𝑠𝑆 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠)) → 𝑥 <s (𝐴 ·s 𝐵)))
141116, 140jaod 872 . . . . . 6 (𝜑 → ((∃𝑝𝐿𝑞𝑀 𝑥 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞)) ∨ ∃𝑟𝑅𝑠𝑆 𝑥 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))) → 𝑥 <s (𝐴 ·s 𝐵)))
14288, 141biimtrid 245 . . . . 5 (𝜑 → (𝑥 ∈ ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) → 𝑥 <s (𝐴 ·s 𝐵)))
143142imp 411 . . . 4 ((𝜑𝑥 ∈ ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))})) → 𝑥 <s (𝐴 ·s 𝐵))
144 velsn 4601 . . . . 5 (𝑦 ∈ {(𝐴 ·s 𝐵)} ↔ 𝑦 = (𝐴 ·s 𝐵))
145 breq2 5109 . . . . 5 (𝑦 = (𝐴 ·s 𝐵) → (𝑥 <s 𝑦𝑥 <s (𝐴 ·s 𝐵)))
146144, 145sylbi 220 . . . 4 (𝑦 ∈ {(𝐴 ·s 𝐵)} → (𝑥 <s 𝑦𝑥 <s (𝐴 ·s 𝐵)))
147143, 146syl5ibrcom 250 . . 3 ((𝜑𝑥 ∈ ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))})) → (𝑦 ∈ {(𝐴 ·s 𝐵)} → 𝑥 <s 𝑦))
1481473impia 1133 . 2 ((𝜑𝑥 ∈ ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) ∧ 𝑦 ∈ {(𝐴 ·s 𝐵)}) → 𝑥 <s 𝑦)
14925, 27, 76, 78, 148sltsd 27919 1 (𝜑 → ({𝑎 ∣ ∃𝑝𝐿𝑞𝑀 𝑎 = (((𝑝 ·s 𝐵) +s (𝐴 ·s 𝑞)) -s (𝑝 ·s 𝑞))} ∪ {𝑏 ∣ ∃𝑟𝑅𝑠𝑆 𝑏 = (((𝑟 ·s 𝐵) +s (𝐴 ·s 𝑠)) -s (𝑟 ·s 𝑠))}) <<s {(𝐴 ·s 𝐵)})
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 209  wa 400  wo 860  w3a 1101   = wceq 1563  wcel 2145  {cab 2743  wrex 3089  Vcvv 3457  cun 3905  wss 3907  {csn 4585   class class class wbr 5105  ran crn 5653  (class class class)co 7400  cmpo 7402   No csur 27762   <s clts 27763   <<s cslts 27908   |s ccuts 27910   +s cadds 28110   -s csubs 28171   ·s cmuls 28257
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1818  ax-4 1832  ax-5 1933  ax-6 1990  ax-7 2031  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2737  ax-rep 5232  ax-sep 5251  ax-nul 5261  ax-pow 5327  ax-pr 5395  ax-un 7722
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1566  df-fal 1576  df-ex 1803  df-nf 1807  df-sb 2094  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-ral 3080  df-rex 3090  df-rmo 3370  df-reu 3371  df-rab 3418  df-v 3459  df-sbc 3748  df-csb 3856  df-dif 3910  df-un 3912  df-in 3914  df-ss 3924  df-pss 3927  df-nul 4289  df-if 4484  df-pw 4560  df-sn 4586  df-pr 4588  df-tp 4590  df-op 4592  df-ot 4594  df-uni 4869  df-int 4909  df-iun 4954  df-br 5106  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5547  df-eprel 5552  df-po 5560  df-so 5561  df-fr 5605  df-se 5606  df-we 5607  df-xp 5658  df-rel 5659  df-cnv 5660  df-co 5661  df-dm 5662  df-rn 5663  df-res 5664  df-ima 5665  df-pred 6292  df-ord 6353  df-on 6354  df-suc 6356  df-iota 6481  df-fun 6527  df-fn 6528  df-f 6529  df-f1 6530  df-fo 6531  df-f1o 6532  df-fv 6533  df-riota 7357  df-ov 7403  df-oprab 7404  df-mpo 7405  df-1st 7974  df-2nd 7975  df-frecs 8266  df-wrecs 8297  df-recs 8346  df-1o 8441  df-2o 8442  df-nadd 8640  df-no 27765  df-lts 27766  df-bday 27767  df-les 27867  df-slts 27909  df-cuts 27911  df-0s 27958  df-made 27978  df-old 27979  df-left 27981  df-right 27982  df-norec 28089  df-norec2 28100  df-adds 28111  df-negs 28172  df-subs 28173  df-muls 28258
This theorem is referenced by:  mulsuniflem  28300
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