Theorem qirropth 43914

Description: This lemma implements the concept of "equate rational and irrational parts", used to prove many arithmetical properties of the X and Y sequences. (Contributed by Stefan O'Rear, 21-Sep-2014.)

Assertion

Ref	Expression
qirropth	⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → ((𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)) ↔ (𝐵 = 𝐷 ∧ 𝐶 = 𝐸)))

Proof of Theorem qirropth

Step	Hyp	Ref	Expression
1		eldifn 4079	. . . . . . . 8 ⊢ (𝐴 ∈ (ℂ ∖ ℚ) → ¬ 𝐴 ∈ ℚ)
2	1	3ad2ant1 1151	. . . . . . 7 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → ¬ 𝐴 ∈ ℚ)
3	2	adantr 486	. . . . . 6 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → ¬ 𝐴 ∈ ℚ)
4		simpll1 1231	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐴 ∈ (ℂ ∖ ℚ))
5	4	eldifad 3911	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐴 ∈ ℂ)
6		simp2r 1219	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → 𝐶 ∈ ℚ)
7	6	ad2antrr 739	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐶 ∈ ℚ)
8		qcn 13090	. . . . . . . . . . . 12 ⊢ (𝐶 ∈ ℚ → 𝐶 ∈ ℂ)
9	7, 8	syl 18	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐶 ∈ ℂ)
10		simp3r 1221	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → 𝐸 ∈ ℚ)
11	10	ad2antrr 739	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐸 ∈ ℚ)
12		qcn 13090	. . . . . . . . . . . 12 ⊢ (𝐸 ∈ ℚ → 𝐸 ∈ ℂ)
13	11, 12	syl 18	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐸 ∈ ℂ)
14	5, 9, 13	subdid 11772	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐴 · (𝐶 − 𝐸)) = ((𝐴 · 𝐶) − (𝐴 · 𝐸)))
15		qsubcl 13096	. . . . . . . . . . . . 13 ⊢ ((𝐶 ∈ ℚ ∧ 𝐸 ∈ ℚ) → (𝐶 − 𝐸) ∈ ℚ)
16	7, 11, 15	syl2anc 596	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐶 − 𝐸) ∈ ℚ)
17		qcn 13090	. . . . . . . . . . . 12 ⊢ ((𝐶 − 𝐸) ∈ ℚ → (𝐶 − 𝐸) ∈ ℂ)
18	16, 17	syl 18	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐶 − 𝐸) ∈ ℂ)
19	18, 5	mulcomd 11330	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ((𝐶 − 𝐸) · 𝐴) = (𝐴 · (𝐶 − 𝐸)))
20		simplr 781	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)))
21		simp2l 1218	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → 𝐵 ∈ ℚ)
22	21	ad2antrr 739	. . . . . . . . . . . . 13 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐵 ∈ ℚ)
23		qcn 13090	. . . . . . . . . . . . 13 ⊢ (𝐵 ∈ ℚ → 𝐵 ∈ ℂ)
24	22, 23	syl 18	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐵 ∈ ℂ)
25	5, 9	mulcld 11329	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐴 · 𝐶) ∈ ℂ)
26		simp3l 1220	. . . . . . . . . . . . . 14 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → 𝐷 ∈ ℚ)
27	26	ad2antrr 739	. . . . . . . . . . . . 13 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐷 ∈ ℚ)
28		qcn 13090	. . . . . . . . . . . . 13 ⊢ (𝐷 ∈ ℚ → 𝐷 ∈ ℂ)
29	27, 28	syl 18	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐷 ∈ ℂ)
30	5, 13	mulcld 11329	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐴 · 𝐸) ∈ ℂ)
31	24, 25, 29, 30	addsubeq4d 11720	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ((𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)) ↔ (𝐷 − 𝐵) = ((𝐴 · 𝐶) − (𝐴 · 𝐸))))
32	20, 31	mpbid 235	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐷 − 𝐵) = ((𝐴 · 𝐶) − (𝐴 · 𝐸)))
33	14, 19, 32	3eqtr4d 2806	. . . . . . . . 9 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ((𝐶 − 𝐸) · 𝐴) = (𝐷 − 𝐵))
34		qsubcl 13096	. . . . . . . . . . . 12 ⊢ ((𝐷 ∈ ℚ ∧ 𝐵 ∈ ℚ) → (𝐷 − 𝐵) ∈ ℚ)
35	27, 22, 34	syl2anc 596	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐷 − 𝐵) ∈ ℚ)
36		qcn 13090	. . . . . . . . . . 11 ⊢ ((𝐷 − 𝐵) ∈ ℚ → (𝐷 − 𝐵) ∈ ℂ)
37	35, 36	syl 18	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐷 − 𝐵) ∈ ℂ)
38		simpr 490	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ¬ 𝐶 = 𝐸)
39		subeq0 11584	. . . . . . . . . . . . 13 ⊢ ((𝐶 ∈ ℂ ∧ 𝐸 ∈ ℂ) → ((𝐶 − 𝐸) = 0 ↔ 𝐶 = 𝐸))
40	39	necon3abid 2992	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ ℂ ∧ 𝐸 ∈ ℂ) → ((𝐶 − 𝐸) ≠ 0 ↔ ¬ 𝐶 = 𝐸))
41	9, 13, 40	syl2anc 596	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ((𝐶 − 𝐸) ≠ 0 ↔ ¬ 𝐶 = 𝐸))
42	38, 41	mpbird 260	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (𝐶 − 𝐸) ≠ 0)
43	37, 18, 5, 42	divmuld 12115	. . . . . . . . 9 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → (((𝐷 − 𝐵) / (𝐶 − 𝐸)) = 𝐴 ↔ ((𝐶 − 𝐸) · 𝐴) = (𝐷 − 𝐵)))
44	33, 43	mpbird 260	. . . . . . . 8 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ((𝐷 − 𝐵) / (𝐶 − 𝐸)) = 𝐴)
45		qdivcl 13098	. . . . . . . . 9 ⊢ (((𝐷 − 𝐵) ∈ ℚ ∧ (𝐶 − 𝐸) ∈ ℚ ∧ (𝐶 − 𝐸) ≠ 0) → ((𝐷 − 𝐵) / (𝐶 − 𝐸)) ∈ ℚ)
46	35, 16, 42, 45	syl3anc 1398	. . . . . . . 8 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → ((𝐷 − 𝐵) / (𝐶 − 𝐸)) ∈ ℚ)
47	44, 46	eqeltrrd 2862	. . . . . . 7 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ ¬ 𝐶 = 𝐸) → 𝐴 ∈ ℚ)
48	47	ex 418	. . . . . 6 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → (¬ 𝐶 = 𝐸 → 𝐴 ∈ ℚ))
49	3, 48	mt3d 149	. . . . 5 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐶 = 𝐸)
50		simpl2l 1245	. . . . . . . . 9 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐵 ∈ ℚ)
51	50, 23	syl 18	. . . . . . . 8 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐵 ∈ ℂ)
52	51	adantr 486	. . . . . . 7 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → 𝐵 ∈ ℂ)
53		simpl3l 1247	. . . . . . . . 9 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐷 ∈ ℚ)
54	53, 28	syl 18	. . . . . . . 8 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐷 ∈ ℂ)
55	54	adantr 486	. . . . . . 7 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → 𝐷 ∈ ℂ)
56		simpl1 1210	. . . . . . . . . 10 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐴 ∈ (ℂ ∖ ℚ))
57	56	eldifad 3911	. . . . . . . . 9 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐴 ∈ ℂ)
58		simpl3r 1248	. . . . . . . . . 10 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐸 ∈ ℚ)
59	58, 12	syl 18	. . . . . . . . 9 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → 𝐸 ∈ ℂ)
60	57, 59	mulcld 11329	. . . . . . . 8 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → (𝐴 · 𝐸) ∈ ℂ)
61	60	adantr 486	. . . . . . 7 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → (𝐴 · 𝐸) ∈ ℂ)
62		simpr 490	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → 𝐶 = 𝐸)
63	62	eqcomd 2767	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → 𝐸 = 𝐶)
64	63	oveq2d 7436	. . . . . . . . 9 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → (𝐴 · 𝐸) = (𝐴 · 𝐶))
65	64	oveq2d 7436	. . . . . . . 8 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → (𝐵 + (𝐴 · 𝐸)) = (𝐵 + (𝐴 · 𝐶)))
66		simplr 781	. . . . . . . 8 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)))
67	65, 66	eqtrd 2796	. . . . . . 7 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → (𝐵 + (𝐴 · 𝐸)) = (𝐷 + (𝐴 · 𝐸)))
68	52, 55, 61, 67	addcan2ad 11516	. . . . . 6 ⊢ ((((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) ∧ 𝐶 = 𝐸) → 𝐵 = 𝐷)
69	68	ex 418	. . . . 5 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → (𝐶 = 𝐸 → 𝐵 = 𝐷))
70	49, 69	jcai 526	. . . 4 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → (𝐶 = 𝐸 ∧ 𝐵 = 𝐷))
71	70	ancomd 467	. . 3 ⊢ (((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) ∧ (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸))) → (𝐵 = 𝐷 ∧ 𝐶 = 𝐸))
72	71	ex 418	. 2 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → ((𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)) → (𝐵 = 𝐷 ∧ 𝐶 = 𝐸)))
73		id 23	. . 3 ⊢ (𝐵 = 𝐷 → 𝐵 = 𝐷)
74		oveq2 7428	. . 3 ⊢ (𝐶 = 𝐸 → (𝐴 · 𝐶) = (𝐴 · 𝐸))
75	73, 74	oveqan12d 7439	. 2 ⊢ ((𝐵 = 𝐷 ∧ 𝐶 = 𝐸) → (𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)))
76	72, 75	impbid1 228	1 ⊢ ((𝐴 ∈ (ℂ ∖ ℚ) ∧ (𝐵 ∈ ℚ ∧ 𝐶 ∈ ℚ) ∧ (𝐷 ∈ ℚ ∧ 𝐸 ∈ ℚ)) → ((𝐵 + (𝐴 · 𝐶)) = (𝐷 + (𝐴 · 𝐸)) ↔ (𝐵 = 𝐷 ∧ 𝐶 = 𝐸)))

This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∧ w3a 1103   = wceq 1570   ∈ wcel 2145   ≠ wne 2956   ∖ cdif 3896  (class class class)co 7420  ℂcc 11198  0cc0 11200   + caddc 11203   · cmul 11205   − cmin 11541   / cdiv 11973  ℚcq 13075

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7751  ax-resscn 11257  ax-1cn 11258  ax-icn 11259  ax-addcl 11260  ax-addrcl 11261  ax-mulcl 11262  ax-mulrcl 11263  ax-mulcom 11264  ax-addass 11265  ax-mulass 11266  ax-distr 11267  ax-i2m1 11268  ax-1ne0 11269  ax-1rid 11270  ax-rnegex 11271  ax-rrecex 11272  ax-cnre 11273  ax-pre-lttri 11274  ax-pre-lttrn 11275  ax-pre-ltadd 11276  ax-pre-mulgt0 11277

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-nel 3063  df-ral 3078  df-rex 3088  df-rmo 3366  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-om 7878  df-1st 8001  df-2nd 8002  df-frecs 8299  df-wrecs 8330  df-recs 8379  df-rdg 8418  df-er 8717  df-en 8974  df-dom 8975  df-sdom 8976  df-pnf 11345  df-mnf 11346  df-xr 11347  df-ltxr 11348  df-le 11349  df-sub 11543  df-neg 11544  df-div 11974  df-nn 12336  df-n0 12607  df-z 12694  df-q 13076

This theorem is used by:  rmxypairf1o  43917  rmxycomplete  43923  rmxyneg  43926  rmxyadd  43927  rmxy1  43928  rmxy0  43929  jm2.22  44001