Step | Hyp | Ref
| Expression |
1 | | pjpjpre.2 |
. . 3
⊢ (𝜑 → 𝐴 ∈ (𝐻 +ℋ (⊥‘𝐻))) |
2 | | pjpjpre.1 |
. . . . 5
⊢ (𝜑 → 𝐻 ∈ Cℋ
) |
3 | | chsh 29586 |
. . . . 5
⊢ (𝐻 ∈
Cℋ → 𝐻 ∈ Sℋ
) |
4 | 2, 3 | syl 17 |
. . . 4
⊢ (𝜑 → 𝐻 ∈ Sℋ
) |
5 | | shocsh 29646 |
. . . . 5
⊢ (𝐻 ∈
Sℋ → (⊥‘𝐻) ∈ Sℋ
) |
6 | 4, 5 | syl 17 |
. . . 4
⊢ (𝜑 → (⊥‘𝐻) ∈
Sℋ ) |
7 | | shsel 29676 |
. . . 4
⊢ ((𝐻 ∈
Sℋ ∧ (⊥‘𝐻) ∈ Sℋ )
→ (𝐴 ∈ (𝐻 +ℋ
(⊥‘𝐻)) ↔
∃𝑥 ∈ 𝐻 ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦))) |
8 | 4, 6, 7 | syl2anc 584 |
. . 3
⊢ (𝜑 → (𝐴 ∈ (𝐻 +ℋ (⊥‘𝐻)) ↔ ∃𝑥 ∈ 𝐻 ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦))) |
9 | 1, 8 | mpbid 231 |
. 2
⊢ (𝜑 → ∃𝑥 ∈ 𝐻 ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦)) |
10 | | simprr 770 |
. . . . 5
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝐴 = (𝑥 +ℎ 𝑦)) |
11 | | simprll 776 |
. . . . . . 7
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝑥 ∈ 𝐻) |
12 | | simprlr 777 |
. . . . . . . 8
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝑦 ∈ (⊥‘𝐻)) |
13 | | rspe 3237 |
. . . . . . . 8
⊢ ((𝑦 ∈ (⊥‘𝐻) ∧ 𝐴 = (𝑥 +ℎ 𝑦)) → ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦)) |
14 | 12, 10, 13 | syl2anc 584 |
. . . . . . 7
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦)) |
15 | | pjpreeq 29760 |
. . . . . . . . 9
⊢ ((𝐻 ∈
Cℋ ∧ 𝐴 ∈ (𝐻 +ℋ (⊥‘𝐻))) →
(((projℎ‘𝐻)‘𝐴) = 𝑥 ↔ (𝑥 ∈ 𝐻 ∧ ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦)))) |
16 | 2, 1, 15 | syl2anc 584 |
. . . . . . . 8
⊢ (𝜑 →
(((projℎ‘𝐻)‘𝐴) = 𝑥 ↔ (𝑥 ∈ 𝐻 ∧ ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦)))) |
17 | 16 | adantr 481 |
. . . . . . 7
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) →
(((projℎ‘𝐻)‘𝐴) = 𝑥 ↔ (𝑥 ∈ 𝐻 ∧ ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦)))) |
18 | 11, 14, 17 | mpbir2and 710 |
. . . . . 6
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) →
((projℎ‘𝐻)‘𝐴) = 𝑥) |
19 | | shococss 29656 |
. . . . . . . . . . 11
⊢ (𝐻 ∈
Sℋ → 𝐻 ⊆ (⊥‘(⊥‘𝐻))) |
20 | 4, 19 | syl 17 |
. . . . . . . . . 10
⊢ (𝜑 → 𝐻 ⊆ (⊥‘(⊥‘𝐻))) |
21 | 20 | adantr 481 |
. . . . . . . . 9
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝐻 ⊆ (⊥‘(⊥‘𝐻))) |
22 | 21, 11 | sseldd 3922 |
. . . . . . . 8
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝑥 ∈ (⊥‘(⊥‘𝐻))) |
23 | 2 | adantr 481 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝐻 ∈ Cℋ
) |
24 | 23, 3 | syl 17 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝐻 ∈ Sℋ
) |
25 | | shel 29573 |
. . . . . . . . . . 11
⊢ ((𝐻 ∈
Sℋ ∧ 𝑥 ∈ 𝐻) → 𝑥 ∈ ℋ) |
26 | 24, 11, 25 | syl2anc 584 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝑥 ∈ ℋ) |
27 | 24, 5 | syl 17 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → (⊥‘𝐻) ∈ Sℋ
) |
28 | | shel 29573 |
. . . . . . . . . . 11
⊢
(((⊥‘𝐻)
∈ Sℋ ∧ 𝑦 ∈ (⊥‘𝐻)) → 𝑦 ∈ ℋ) |
29 | 27, 12, 28 | syl2anc 584 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝑦 ∈ ℋ) |
30 | | ax-hvcom 29363 |
. . . . . . . . . 10
⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 +ℎ 𝑦) = (𝑦 +ℎ 𝑥)) |
31 | 26, 29, 30 | syl2anc 584 |
. . . . . . . . 9
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → (𝑥 +ℎ 𝑦) = (𝑦 +ℎ 𝑥)) |
32 | 10, 31 | eqtrd 2778 |
. . . . . . . 8
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝐴 = (𝑦 +ℎ 𝑥)) |
33 | | rspe 3237 |
. . . . . . . 8
⊢ ((𝑥 ∈
(⊥‘(⊥‘𝐻)) ∧ 𝐴 = (𝑦 +ℎ 𝑥)) → ∃𝑥 ∈ (⊥‘(⊥‘𝐻))𝐴 = (𝑦 +ℎ 𝑥)) |
34 | 22, 32, 33 | syl2anc 584 |
. . . . . . 7
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → ∃𝑥 ∈ (⊥‘(⊥‘𝐻))𝐴 = (𝑦 +ℎ 𝑥)) |
35 | | choccl 29668 |
. . . . . . . . . 10
⊢ (𝐻 ∈
Cℋ → (⊥‘𝐻) ∈ Cℋ
) |
36 | 2, 35 | syl 17 |
. . . . . . . . 9
⊢ (𝜑 → (⊥‘𝐻) ∈
Cℋ ) |
37 | | shocsh 29646 |
. . . . . . . . . . . . 13
⊢
((⊥‘𝐻)
∈ Sℋ →
(⊥‘(⊥‘𝐻)) ∈ Sℋ
) |
38 | 6, 37 | syl 17 |
. . . . . . . . . . . 12
⊢ (𝜑 →
(⊥‘(⊥‘𝐻)) ∈ Sℋ
) |
39 | | shless 29721 |
. . . . . . . . . . . 12
⊢ (((𝐻 ∈
Sℋ ∧ (⊥‘(⊥‘𝐻)) ∈
Sℋ ∧ (⊥‘𝐻) ∈ Sℋ )
∧ 𝐻 ⊆
(⊥‘(⊥‘𝐻))) → (𝐻 +ℋ (⊥‘𝐻)) ⊆
((⊥‘(⊥‘𝐻)) +ℋ (⊥‘𝐻))) |
40 | 4, 38, 6, 20, 39 | syl31anc 1372 |
. . . . . . . . . . 11
⊢ (𝜑 → (𝐻 +ℋ (⊥‘𝐻)) ⊆
((⊥‘(⊥‘𝐻)) +ℋ (⊥‘𝐻))) |
41 | | shscom 29681 |
. . . . . . . . . . . 12
⊢
(((⊥‘𝐻)
∈ Sℋ ∧
(⊥‘(⊥‘𝐻)) ∈ Sℋ
) → ((⊥‘𝐻)
+ℋ (⊥‘(⊥‘𝐻))) = ((⊥‘(⊥‘𝐻)) +ℋ
(⊥‘𝐻))) |
42 | 6, 38, 41 | syl2anc 584 |
. . . . . . . . . . 11
⊢ (𝜑 → ((⊥‘𝐻) +ℋ
(⊥‘(⊥‘𝐻))) = ((⊥‘(⊥‘𝐻)) +ℋ
(⊥‘𝐻))) |
43 | 40, 42 | sseqtrrd 3962 |
. . . . . . . . . 10
⊢ (𝜑 → (𝐻 +ℋ (⊥‘𝐻)) ⊆ ((⊥‘𝐻) +ℋ
(⊥‘(⊥‘𝐻)))) |
44 | 43, 1 | sseldd 3922 |
. . . . . . . . 9
⊢ (𝜑 → 𝐴 ∈ ((⊥‘𝐻) +ℋ
(⊥‘(⊥‘𝐻)))) |
45 | | pjpreeq 29760 |
. . . . . . . . 9
⊢
(((⊥‘𝐻)
∈ Cℋ ∧ 𝐴 ∈ ((⊥‘𝐻) +ℋ
(⊥‘(⊥‘𝐻)))) →
(((projℎ‘(⊥‘𝐻))‘𝐴) = 𝑦 ↔ (𝑦 ∈ (⊥‘𝐻) ∧ ∃𝑥 ∈ (⊥‘(⊥‘𝐻))𝐴 = (𝑦 +ℎ 𝑥)))) |
46 | 36, 44, 45 | syl2anc 584 |
. . . . . . . 8
⊢ (𝜑 →
(((projℎ‘(⊥‘𝐻))‘𝐴) = 𝑦 ↔ (𝑦 ∈ (⊥‘𝐻) ∧ ∃𝑥 ∈ (⊥‘(⊥‘𝐻))𝐴 = (𝑦 +ℎ 𝑥)))) |
47 | 46 | adantr 481 |
. . . . . . 7
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) →
(((projℎ‘(⊥‘𝐻))‘𝐴) = 𝑦 ↔ (𝑦 ∈ (⊥‘𝐻) ∧ ∃𝑥 ∈ (⊥‘(⊥‘𝐻))𝐴 = (𝑦 +ℎ 𝑥)))) |
48 | 12, 34, 47 | mpbir2and 710 |
. . . . . 6
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) →
((projℎ‘(⊥‘𝐻))‘𝐴) = 𝑦) |
49 | 18, 48 | oveq12d 7293 |
. . . . 5
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) →
(((projℎ‘𝐻)‘𝐴) +ℎ
((projℎ‘(⊥‘𝐻))‘𝐴)) = (𝑥 +ℎ 𝑦)) |
50 | 10, 49 | eqtr4d 2781 |
. . . 4
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) ∧ 𝐴 = (𝑥 +ℎ 𝑦))) → 𝐴 = (((projℎ‘𝐻)‘𝐴) +ℎ
((projℎ‘(⊥‘𝐻))‘𝐴))) |
51 | 50 | exp32 421 |
. . 3
⊢ (𝜑 → ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ (⊥‘𝐻)) → (𝐴 = (𝑥 +ℎ 𝑦) → 𝐴 = (((projℎ‘𝐻)‘𝐴) +ℎ
((projℎ‘(⊥‘𝐻))‘𝐴))))) |
52 | 51 | rexlimdvv 3222 |
. 2
⊢ (𝜑 → (∃𝑥 ∈ 𝐻 ∃𝑦 ∈ (⊥‘𝐻)𝐴 = (𝑥 +ℎ 𝑦) → 𝐴 = (((projℎ‘𝐻)‘𝐴) +ℎ
((projℎ‘(⊥‘𝐻))‘𝐴)))) |
53 | 9, 52 | mpd 15 |
1
⊢ (𝜑 → 𝐴 = (((projℎ‘𝐻)‘𝐴) +ℎ
((projℎ‘(⊥‘𝐻))‘𝐴))) |