MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  addsdilem3 Structured version   Visualization version   GIF version

Theorem addsdilem3 28304
Description: Lemma for addsdi 28306. Show one of the equalities involved in the final expression. (Contributed by Scott Fenton, 9-Mar-2025.)
Hypotheses
Ref Expression
addsdilem3.1 (𝜑𝐴 No )
addsdilem3.2 (𝜑𝐵 No )
addsdilem3.3 (𝜑𝐶 No )
addsdilem3.4 (𝜑 → ∀𝑥𝑂 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴))(𝑥𝑂 ·s (𝐵 +s 𝐶)) = ((𝑥𝑂 ·s 𝐵) +s (𝑥𝑂 ·s 𝐶)))
addsdilem3.5 (𝜑 → ∀𝑦𝑂 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵))(𝐴 ·s (𝑦𝑂 +s 𝐶)) = ((𝐴 ·s 𝑦𝑂) +s (𝐴 ·s 𝐶)))
addsdilem3.6 (𝜑 → ∀𝑥𝑂 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴))∀𝑦𝑂 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵))(𝑥𝑂 ·s (𝑦𝑂 +s 𝐶)) = ((𝑥𝑂 ·s 𝑦𝑂) +s (𝑥𝑂 ·s 𝐶)))
addsdilem3.7 (𝜓𝑋 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴)))
addsdilem3.8 (𝜓𝑌 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵)))
Assertion
Ref Expression
addsdilem3 ((𝜑𝜓) → (((𝑋 ·s (𝐵 +s 𝐶)) +s (𝐴 ·s (𝑌 +s 𝐶))) -s (𝑋 ·s (𝑌 +s 𝐶))) = ((((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) -s (𝑋 ·s 𝑌)) +s (𝐴 ·s 𝐶)))
Distinct variable groups:   𝐴,𝑥𝑂,𝑦𝑂   𝐵,𝑥𝑂,𝑦𝑂   𝐶,𝑥𝑂,𝑦𝑂   𝑋,𝑥𝑂,𝑦𝑂   𝑌,𝑦𝑂
Allowed substitution hints:   𝜑(𝑥𝑂,𝑦𝑂)   𝜓(𝑥𝑂,𝑦𝑂)   𝑌(𝑥𝑂)

Proof of Theorem addsdilem3
StepHypRef Expression
1 oveq1 7407 . . . . . 6 (𝑥𝑂 = 𝑋 → (𝑥𝑂 ·s (𝐵 +s 𝐶)) = (𝑋 ·s (𝐵 +s 𝐶)))
2 oveq1 7407 . . . . . . 7 (𝑥𝑂 = 𝑋 → (𝑥𝑂 ·s 𝐵) = (𝑋 ·s 𝐵))
3 oveq1 7407 . . . . . . 7 (𝑥𝑂 = 𝑋 → (𝑥𝑂 ·s 𝐶) = (𝑋 ·s 𝐶))
42, 3oveq12d 7418 . . . . . 6 (𝑥𝑂 = 𝑋 → ((𝑥𝑂 ·s 𝐵) +s (𝑥𝑂 ·s 𝐶)) = ((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)))
51, 4eqeq12d 2781 . . . . 5 (𝑥𝑂 = 𝑋 → ((𝑥𝑂 ·s (𝐵 +s 𝐶)) = ((𝑥𝑂 ·s 𝐵) +s (𝑥𝑂 ·s 𝐶)) ↔ (𝑋 ·s (𝐵 +s 𝐶)) = ((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶))))
6 addsdilem3.4 . . . . . 6 (𝜑 → ∀𝑥𝑂 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴))(𝑥𝑂 ·s (𝐵 +s 𝐶)) = ((𝑥𝑂 ·s 𝐵) +s (𝑥𝑂 ·s 𝐶)))
76adantr 485 . . . . 5 ((𝜑𝜓) → ∀𝑥𝑂 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴))(𝑥𝑂 ·s (𝐵 +s 𝐶)) = ((𝑥𝑂 ·s 𝐵) +s (𝑥𝑂 ·s 𝐶)))
8 addsdilem3.7 . . . . . 6 (𝜓𝑋 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴)))
98adantl 486 . . . . 5 ((𝜑𝜓) → 𝑋 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴)))
105, 7, 9rspcdva 3585 . . . 4 ((𝜑𝜓) → (𝑋 ·s (𝐵 +s 𝐶)) = ((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)))
11 oveq1 7407 . . . . . . 7 (𝑦𝑂 = 𝑌 → (𝑦𝑂 +s 𝐶) = (𝑌 +s 𝐶))
1211oveq2d 7416 . . . . . 6 (𝑦𝑂 = 𝑌 → (𝐴 ·s (𝑦𝑂 +s 𝐶)) = (𝐴 ·s (𝑌 +s 𝐶)))
13 oveq2 7408 . . . . . . 7 (𝑦𝑂 = 𝑌 → (𝐴 ·s 𝑦𝑂) = (𝐴 ·s 𝑌))
1413oveq1d 7415 . . . . . 6 (𝑦𝑂 = 𝑌 → ((𝐴 ·s 𝑦𝑂) +s (𝐴 ·s 𝐶)) = ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶)))
1512, 14eqeq12d 2781 . . . . 5 (𝑦𝑂 = 𝑌 → ((𝐴 ·s (𝑦𝑂 +s 𝐶)) = ((𝐴 ·s 𝑦𝑂) +s (𝐴 ·s 𝐶)) ↔ (𝐴 ·s (𝑌 +s 𝐶)) = ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))))
16 addsdilem3.5 . . . . . 6 (𝜑 → ∀𝑦𝑂 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵))(𝐴 ·s (𝑦𝑂 +s 𝐶)) = ((𝐴 ·s 𝑦𝑂) +s (𝐴 ·s 𝐶)))
1716adantr 485 . . . . 5 ((𝜑𝜓) → ∀𝑦𝑂 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵))(𝐴 ·s (𝑦𝑂 +s 𝐶)) = ((𝐴 ·s 𝑦𝑂) +s (𝐴 ·s 𝐶)))
18 addsdilem3.8 . . . . . 6 (𝜓𝑌 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵)))
1918adantl 486 . . . . 5 ((𝜑𝜓) → 𝑌 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵)))
2015, 17, 19rspcdva 3585 . . . 4 ((𝜑𝜓) → (𝐴 ·s (𝑌 +s 𝐶)) = ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶)))
2110, 20oveq12d 7418 . . 3 ((𝜑𝜓) → ((𝑋 ·s (𝐵 +s 𝐶)) +s (𝐴 ·s (𝑌 +s 𝐶))) = (((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))))
22 oveq1 7407 . . . . 5 (𝑥𝑂 = 𝑋 → (𝑥𝑂 ·s (𝑦𝑂 +s 𝐶)) = (𝑋 ·s (𝑦𝑂 +s 𝐶)))
23 oveq1 7407 . . . . . 6 (𝑥𝑂 = 𝑋 → (𝑥𝑂 ·s 𝑦𝑂) = (𝑋 ·s 𝑦𝑂))
2423, 3oveq12d 7418 . . . . 5 (𝑥𝑂 = 𝑋 → ((𝑥𝑂 ·s 𝑦𝑂) +s (𝑥𝑂 ·s 𝐶)) = ((𝑋 ·s 𝑦𝑂) +s (𝑋 ·s 𝐶)))
2522, 24eqeq12d 2781 . . . 4 (𝑥𝑂 = 𝑋 → ((𝑥𝑂 ·s (𝑦𝑂 +s 𝐶)) = ((𝑥𝑂 ·s 𝑦𝑂) +s (𝑥𝑂 ·s 𝐶)) ↔ (𝑋 ·s (𝑦𝑂 +s 𝐶)) = ((𝑋 ·s 𝑦𝑂) +s (𝑋 ·s 𝐶))))
2611oveq2d 7416 . . . . 5 (𝑦𝑂 = 𝑌 → (𝑋 ·s (𝑦𝑂 +s 𝐶)) = (𝑋 ·s (𝑌 +s 𝐶)))
27 oveq2 7408 . . . . . 6 (𝑦𝑂 = 𝑌 → (𝑋 ·s 𝑦𝑂) = (𝑋 ·s 𝑌))
2827oveq1d 7415 . . . . 5 (𝑦𝑂 = 𝑌 → ((𝑋 ·s 𝑦𝑂) +s (𝑋 ·s 𝐶)) = ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶)))
2926, 28eqeq12d 2781 . . . 4 (𝑦𝑂 = 𝑌 → ((𝑋 ·s (𝑦𝑂 +s 𝐶)) = ((𝑋 ·s 𝑦𝑂) +s (𝑋 ·s 𝐶)) ↔ (𝑋 ·s (𝑌 +s 𝐶)) = ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶))))
30 addsdilem3.6 . . . . 5 (𝜑 → ∀𝑥𝑂 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴))∀𝑦𝑂 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵))(𝑥𝑂 ·s (𝑦𝑂 +s 𝐶)) = ((𝑥𝑂 ·s 𝑦𝑂) +s (𝑥𝑂 ·s 𝐶)))
3130adantr 485 . . . 4 ((𝜑𝜓) → ∀𝑥𝑂 ∈ (( L ‘𝐴) ∪ ( R ‘𝐴))∀𝑦𝑂 ∈ (( L ‘𝐵) ∪ ( R ‘𝐵))(𝑥𝑂 ·s (𝑦𝑂 +s 𝐶)) = ((𝑥𝑂 ·s 𝑦𝑂) +s (𝑥𝑂 ·s 𝐶)))
3225, 29, 31, 9, 19rspc2dv 3599 . . 3 ((𝜑𝜓) → (𝑋 ·s (𝑌 +s 𝐶)) = ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶)))
3321, 32oveq12d 7418 . 2 ((𝜑𝜓) → (((𝑋 ·s (𝐵 +s 𝐶)) +s (𝐴 ·s (𝑌 +s 𝐶))) -s (𝑋 ·s (𝑌 +s 𝐶))) = ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶))))
34 leftssno 28024 . . . . . . . . . . 11 ( L ‘𝐴) ⊆ No
35 rightssno 28025 . . . . . . . . . . 11 ( R ‘𝐴) ⊆ No
3634, 35unssi 4146 . . . . . . . . . 10 (( L ‘𝐴) ∪ ( R ‘𝐴)) ⊆ No
3736, 8sselid 3937 . . . . . . . . 9 (𝜓𝑋 No )
3837adantl 486 . . . . . . . 8 ((𝜑𝜓) → 𝑋 No )
39 addsdilem3.2 . . . . . . . . 9 (𝜑𝐵 No )
4039adantr 485 . . . . . . . 8 ((𝜑𝜓) → 𝐵 No )
4138, 40mulscld 28286 . . . . . . 7 ((𝜑𝜓) → (𝑋 ·s 𝐵) ∈ No )
42 addsdilem3.3 . . . . . . . . 9 (𝜑𝐶 No )
4342adantr 485 . . . . . . . 8 ((𝜑𝜓) → 𝐶 No )
4438, 43mulscld 28286 . . . . . . 7 ((𝜑𝜓) → (𝑋 ·s 𝐶) ∈ No )
45 pncans 28223 . . . . . . 7 (((𝑋 ·s 𝐵) ∈ No ∧ (𝑋 ·s 𝐶) ∈ No ) → (((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝐶)) = (𝑋 ·s 𝐵))
4641, 44, 45syl2anc 595 . . . . . 6 ((𝜑𝜓) → (((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝐶)) = (𝑋 ·s 𝐵))
4746oveq1d 7415 . . . . 5 ((𝜑𝜓) → ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) = ((𝑋 ·s 𝐵) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))))
4841, 44addscld 28131 . . . . . 6 ((𝜑𝜓) → ((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) ∈ No )
49 addsdilem3.1 . . . . . . . . 9 (𝜑𝐴 No )
5049adantr 485 . . . . . . . 8 ((𝜑𝜓) → 𝐴 No )
51 leftssno 28024 . . . . . . . . . . 11 ( L ‘𝐵) ⊆ No
52 rightssno 28025 . . . . . . . . . . 11 ( R ‘𝐵) ⊆ No
5351, 52unssi 4146 . . . . . . . . . 10 (( L ‘𝐵) ∪ ( R ‘𝐵)) ⊆ No
5453, 18sselid 3937 . . . . . . . . 9 (𝜓𝑌 No )
5554adantl 486 . . . . . . . 8 ((𝜑𝜓) → 𝑌 No )
5650, 55mulscld 28286 . . . . . . 7 ((𝜑𝜓) → (𝐴 ·s 𝑌) ∈ No )
5749, 42mulscld 28286 . . . . . . . 8 (𝜑 → (𝐴 ·s 𝐶) ∈ No )
5857adantr 485 . . . . . . 7 ((𝜑𝜓) → (𝐴 ·s 𝐶) ∈ No )
5956, 58addscld 28131 . . . . . 6 ((𝜑𝜓) → ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶)) ∈ No )
6048, 59, 44addsubsd 28233 . . . . 5 ((𝜑𝜓) → ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s (𝑋 ·s 𝐶)) = ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))))
6141, 56, 58addsassd 28157 . . . . 5 ((𝜑𝜓) → (((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) +s (𝐴 ·s 𝐶)) = ((𝑋 ·s 𝐵) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))))
6247, 60, 613eqtr4d 2810 . . . 4 ((𝜑𝜓) → ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s (𝑋 ·s 𝐶)) = (((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) +s (𝐴 ·s 𝐶)))
6362oveq1d 7415 . . 3 ((𝜑𝜓) → (((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝑌)) = ((((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) +s (𝐴 ·s 𝐶)) -s (𝑋 ·s 𝑌)))
6448, 59addscld 28131 . . . . 5 ((𝜑𝜓) → (((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) ∈ No )
6537, 54mulscld 28286 . . . . . 6 (𝜓 → (𝑋 ·s 𝑌) ∈ No )
6665adantl 486 . . . . 5 ((𝜑𝜓) → (𝑋 ·s 𝑌) ∈ No )
6764, 44, 66subsubs4d 28245 . . . 4 ((𝜑𝜓) → (((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝑌)) = ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s ((𝑋 ·s 𝐶) +s (𝑋 ·s 𝑌))))
6844, 66addscomd 28118 . . . . 5 ((𝜑𝜓) → ((𝑋 ·s 𝐶) +s (𝑋 ·s 𝑌)) = ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶)))
6968oveq2d 7416 . . . 4 ((𝜑𝜓) → ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s ((𝑋 ·s 𝐶) +s (𝑋 ·s 𝑌))) = ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶))))
7067, 69eqtrd 2800 . . 3 ((𝜑𝜓) → (((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s (𝑋 ·s 𝐶)) -s (𝑋 ·s 𝑌)) = ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶))))
7141, 56addscld 28131 . . . 4 ((𝜑𝜓) → ((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) ∈ No )
7271, 58, 66addsubsd 28233 . . 3 ((𝜑𝜓) → ((((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) +s (𝐴 ·s 𝐶)) -s (𝑋 ·s 𝑌)) = ((((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) -s (𝑋 ·s 𝑌)) +s (𝐴 ·s 𝐶)))
7363, 70, 723eqtr3d 2808 . 2 ((𝜑𝜓) → ((((𝑋 ·s 𝐵) +s (𝑋 ·s 𝐶)) +s ((𝐴 ·s 𝑌) +s (𝐴 ·s 𝐶))) -s ((𝑋 ·s 𝑌) +s (𝑋 ·s 𝐶))) = ((((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) -s (𝑋 ·s 𝑌)) +s (𝐴 ·s 𝐶)))
7433, 73eqtrd 2800 1 ((𝜑𝜓) → (((𝑋 ·s (𝐵 +s 𝐶)) +s (𝐴 ·s (𝑌 +s 𝐶))) -s (𝑋 ·s (𝑌 +s 𝐶))) = ((((𝑋 ·s 𝐵) +s (𝐴 ·s 𝑌)) -s (𝑋 ·s 𝑌)) +s (𝐴 ·s 𝐶)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 400   = wceq 1563  wcel 2145  wral 3079  cun 3905  cfv 6525  (class class class)co 7400   No csur 27762   L cleft 27976   R cright 27977   +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:  addsdi  28306
  Copyright terms: Public domain W3C validator