Step | Hyp | Ref
| Expression |
1 | | vex 3436 |
. . . . 5
⊢ 𝑥 ∈ V |
2 | | foeq1 6684 |
. . . . 5
⊢ (ℎ = 𝑥 → (ℎ:𝐴–onto→𝐴 ↔ 𝑥:𝐴–onto→𝐴)) |
3 | 1, 2 | elab 3609 |
. . . 4
⊢ (𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ↔ 𝑥:𝐴–onto→𝐴) |
4 | | fof 6688 |
. . . . 5
⊢ (𝑥:𝐴–onto→𝐴 → 𝑥:𝐴⟶𝐴) |
5 | | sursubmefmnd.m |
. . . . . 6
⊢ 𝑀 = (EndoFMnd‘𝐴) |
6 | | eqid 2738 |
. . . . . 6
⊢
(Base‘𝑀) =
(Base‘𝑀) |
7 | 5, 6 | elefmndbas 18512 |
. . . . 5
⊢ (𝐴 ∈ 𝑉 → (𝑥 ∈ (Base‘𝑀) ↔ 𝑥:𝐴⟶𝐴)) |
8 | 4, 7 | syl5ibr 245 |
. . . 4
⊢ (𝐴 ∈ 𝑉 → (𝑥:𝐴–onto→𝐴 → 𝑥 ∈ (Base‘𝑀))) |
9 | 3, 8 | syl5bi 241 |
. . 3
⊢ (𝐴 ∈ 𝑉 → (𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} → 𝑥 ∈ (Base‘𝑀))) |
10 | 9 | ssrdv 3927 |
. 2
⊢ (𝐴 ∈ 𝑉 → {ℎ ∣ ℎ:𝐴–onto→𝐴} ⊆ (Base‘𝑀)) |
11 | 5 | efmndid 18527 |
. . 3
⊢ (𝐴 ∈ 𝑉 → ( I ↾ 𝐴) = (0g‘𝑀)) |
12 | | resiexg 7761 |
. . . 4
⊢ (𝐴 ∈ 𝑉 → ( I ↾ 𝐴) ∈ V) |
13 | | f1oi 6754 |
. . . . 5
⊢ ( I
↾ 𝐴):𝐴–1-1-onto→𝐴 |
14 | | f1ofo 6723 |
. . . . 5
⊢ (( I
↾ 𝐴):𝐴–1-1-onto→𝐴 → ( I ↾ 𝐴):𝐴–onto→𝐴) |
15 | 13, 14 | mp1i 13 |
. . . 4
⊢ (𝐴 ∈ 𝑉 → ( I ↾ 𝐴):𝐴–onto→𝐴) |
16 | | foeq1 6684 |
. . . 4
⊢ (ℎ = ( I ↾ 𝐴) → (ℎ:𝐴–onto→𝐴 ↔ ( I ↾ 𝐴):𝐴–onto→𝐴)) |
17 | 12, 15, 16 | elabd 3612 |
. . 3
⊢ (𝐴 ∈ 𝑉 → ( I ↾ 𝐴) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}) |
18 | 11, 17 | eqeltrrd 2840 |
. 2
⊢ (𝐴 ∈ 𝑉 → (0g‘𝑀) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}) |
19 | | vex 3436 |
. . . . . 6
⊢ 𝑦 ∈ V |
20 | | foeq1 6684 |
. . . . . 6
⊢ (ℎ = 𝑦 → (ℎ:𝐴–onto→𝐴 ↔ 𝑦:𝐴–onto→𝐴)) |
21 | 19, 20 | elab 3609 |
. . . . 5
⊢ (𝑦 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ↔ 𝑦:𝐴–onto→𝐴) |
22 | 3, 21 | anbi12i 627 |
. . . 4
⊢ ((𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ∧ 𝑦 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}) ↔ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) |
23 | | foco 6702 |
. . . . . . 7
⊢ ((𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴) → (𝑥 ∘ 𝑦):𝐴–onto→𝐴) |
24 | 23 | adantl 482 |
. . . . . 6
⊢ ((𝐴 ∈ 𝑉 ∧ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) → (𝑥 ∘ 𝑦):𝐴–onto→𝐴) |
25 | | fof 6688 |
. . . . . . . . . . . 12
⊢ (𝑦:𝐴–onto→𝐴 → 𝑦:𝐴⟶𝐴) |
26 | 4, 25 | anim12i 613 |
. . . . . . . . . . 11
⊢ ((𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴) → (𝑥:𝐴⟶𝐴 ∧ 𝑦:𝐴⟶𝐴)) |
27 | 5, 6 | elefmndbas 18512 |
. . . . . . . . . . . 12
⊢ (𝐴 ∈ 𝑉 → (𝑦 ∈ (Base‘𝑀) ↔ 𝑦:𝐴⟶𝐴)) |
28 | 7, 27 | anbi12d 631 |
. . . . . . . . . . 11
⊢ (𝐴 ∈ 𝑉 → ((𝑥 ∈ (Base‘𝑀) ∧ 𝑦 ∈ (Base‘𝑀)) ↔ (𝑥:𝐴⟶𝐴 ∧ 𝑦:𝐴⟶𝐴))) |
29 | 26, 28 | syl5ibr 245 |
. . . . . . . . . 10
⊢ (𝐴 ∈ 𝑉 → ((𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴) → (𝑥 ∈ (Base‘𝑀) ∧ 𝑦 ∈ (Base‘𝑀)))) |
30 | 29 | imp 407 |
. . . . . . . . 9
⊢ ((𝐴 ∈ 𝑉 ∧ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) → (𝑥 ∈ (Base‘𝑀) ∧ 𝑦 ∈ (Base‘𝑀))) |
31 | | eqid 2738 |
. . . . . . . . . 10
⊢
(+g‘𝑀) = (+g‘𝑀) |
32 | 5, 6, 31 | efmndov 18520 |
. . . . . . . . 9
⊢ ((𝑥 ∈ (Base‘𝑀) ∧ 𝑦 ∈ (Base‘𝑀)) → (𝑥(+g‘𝑀)𝑦) = (𝑥 ∘ 𝑦)) |
33 | 30, 32 | syl 17 |
. . . . . . . 8
⊢ ((𝐴 ∈ 𝑉 ∧ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) → (𝑥(+g‘𝑀)𝑦) = (𝑥 ∘ 𝑦)) |
34 | 33 | eleq1d 2823 |
. . . . . . 7
⊢ ((𝐴 ∈ 𝑉 ∧ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) → ((𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ↔ (𝑥 ∘ 𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴})) |
35 | 1, 19 | coex 7777 |
. . . . . . . 8
⊢ (𝑥 ∘ 𝑦) ∈ V |
36 | | foeq1 6684 |
. . . . . . . 8
⊢ (ℎ = (𝑥 ∘ 𝑦) → (ℎ:𝐴–onto→𝐴 ↔ (𝑥 ∘ 𝑦):𝐴–onto→𝐴)) |
37 | 35, 36 | elab 3609 |
. . . . . . 7
⊢ ((𝑥 ∘ 𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ↔ (𝑥 ∘ 𝑦):𝐴–onto→𝐴) |
38 | 34, 37 | bitrdi 287 |
. . . . . 6
⊢ ((𝐴 ∈ 𝑉 ∧ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) → ((𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ↔ (𝑥 ∘ 𝑦):𝐴–onto→𝐴)) |
39 | 24, 38 | mpbird 256 |
. . . . 5
⊢ ((𝐴 ∈ 𝑉 ∧ (𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴)) → (𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}) |
40 | 39 | ex 413 |
. . . 4
⊢ (𝐴 ∈ 𝑉 → ((𝑥:𝐴–onto→𝐴 ∧ 𝑦:𝐴–onto→𝐴) → (𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴})) |
41 | 22, 40 | syl5bi 241 |
. . 3
⊢ (𝐴 ∈ 𝑉 → ((𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ∧ 𝑦 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}) → (𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴})) |
42 | 41 | ralrimivv 3122 |
. 2
⊢ (𝐴 ∈ 𝑉 → ∀𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}∀𝑦 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} (𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}) |
43 | 5 | efmndmnd 18528 |
. . 3
⊢ (𝐴 ∈ 𝑉 → 𝑀 ∈ Mnd) |
44 | | eqid 2738 |
. . . 4
⊢
(0g‘𝑀) = (0g‘𝑀) |
45 | 6, 44, 31 | issubm 18442 |
. . 3
⊢ (𝑀 ∈ Mnd → ({ℎ ∣ ℎ:𝐴–onto→𝐴} ∈ (SubMnd‘𝑀) ↔ ({ℎ ∣ ℎ:𝐴–onto→𝐴} ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ∧ ∀𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}∀𝑦 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} (𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}))) |
46 | 43, 45 | syl 17 |
. 2
⊢ (𝐴 ∈ 𝑉 → ({ℎ ∣ ℎ:𝐴–onto→𝐴} ∈ (SubMnd‘𝑀) ↔ ({ℎ ∣ ℎ:𝐴–onto→𝐴} ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} ∧ ∀𝑥 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}∀𝑦 ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴} (𝑥(+g‘𝑀)𝑦) ∈ {ℎ ∣ ℎ:𝐴–onto→𝐴}))) |
47 | 10, 18, 42, 46 | mpbir3and 1341 |
1
⊢ (𝐴 ∈ 𝑉 → {ℎ ∣ ℎ:𝐴–onto→𝐴} ∈ (SubMnd‘𝑀)) |