Step | Hyp | Ref
| Expression |
1 | | cvxpconn.4 |
. . 3
β’ πΎ = (π½ βΎt π) |
2 | | cvxpconn.3 |
. . . . 5
β’ π½ =
(TopOpenββfld) |
3 | 2 | cnfldtop 24292 |
. . . 4
β’ π½ β Top |
4 | | cvxpconn.1 |
. . . . 5
β’ (π β π β β) |
5 | | cnex 11188 |
. . . . 5
β’ β
β V |
6 | | ssexg 5323 |
. . . . 5
β’ ((π β β β§ β
β V) β π β
V) |
7 | 4, 5, 6 | sylancl 587 |
. . . 4
β’ (π β π β V) |
8 | | resttop 22656 |
. . . 4
β’ ((π½ β Top β§ π β V) β (π½ βΎt π) β Top) |
9 | 3, 7, 8 | sylancr 588 |
. . 3
β’ (π β (π½ βΎt π) β Top) |
10 | 1, 9 | eqeltrid 2838 |
. 2
β’ (π β πΎ β Top) |
11 | 2 | dfii3 24391 |
. . . . . . . 8
β’ II =
(π½ βΎt
(0[,]1)) |
12 | 2 | cnfldtopon 24291 |
. . . . . . . . 9
β’ π½ β
(TopOnββ) |
13 | 12 | a1i 11 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β π½ β
(TopOnββ)) |
14 | | unitssre 13473 |
. . . . . . . . . 10
β’ (0[,]1)
β β |
15 | | ax-resscn 11164 |
. . . . . . . . . 10
β’ β
β β |
16 | 14, 15 | sstri 3991 |
. . . . . . . . 9
β’ (0[,]1)
β β |
17 | 16 | a1i 11 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (0[,]1) β
β) |
18 | 13 | cnmptid 23157 |
. . . . . . . . . 10
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ π‘) β (π½ Cn π½)) |
19 | 4 | adantr 482 |
. . . . . . . . . . . 12
β’ ((π β§ (π¦ β π β§ π₯ β π)) β π β β) |
20 | | simprr 772 |
. . . . . . . . . . . 12
β’ ((π β§ (π¦ β π β§ π₯ β π)) β π₯ β π) |
21 | 19, 20 | sseldd 3983 |
. . . . . . . . . . 11
β’ ((π β§ (π¦ β π β§ π₯ β π)) β π₯ β β) |
22 | 13, 13, 21 | cnmptc 23158 |
. . . . . . . . . 10
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ π₯) β (π½ Cn π½)) |
23 | 2 | mulcn 24375 |
. . . . . . . . . . 11
β’ Β·
β ((π½
Γt π½) Cn
π½) |
24 | 23 | a1i 11 |
. . . . . . . . . 10
β’ ((π β§ (π¦ β π β§ π₯ β π)) β Β· β ((π½ Γt π½) Cn π½)) |
25 | 13, 18, 22, 24 | cnmpt12f 23162 |
. . . . . . . . 9
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ (π‘ Β· π₯)) β (π½ Cn π½)) |
26 | | 1cnd 11206 |
. . . . . . . . . . . 12
β’ ((π β§ (π¦ β π β§ π₯ β π)) β 1 β β) |
27 | 13, 13, 26 | cnmptc 23158 |
. . . . . . . . . . 11
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ 1) β (π½ Cn π½)) |
28 | 2 | subcn 24374 |
. . . . . . . . . . . 12
β’ β
β ((π½
Γt π½) Cn
π½) |
29 | 28 | a1i 11 |
. . . . . . . . . . 11
β’ ((π β§ (π¦ β π β§ π₯ β π)) β β β ((π½ Γt π½) Cn π½)) |
30 | 13, 27, 18, 29 | cnmpt12f 23162 |
. . . . . . . . . 10
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ (1 β π‘)) β (π½ Cn π½)) |
31 | | simprl 770 |
. . . . . . . . . . . 12
β’ ((π β§ (π¦ β π β§ π₯ β π)) β π¦ β π) |
32 | 19, 31 | sseldd 3983 |
. . . . . . . . . . 11
β’ ((π β§ (π¦ β π β§ π₯ β π)) β π¦ β β) |
33 | 13, 13, 32 | cnmptc 23158 |
. . . . . . . . . 10
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ π¦) β (π½ Cn π½)) |
34 | 13, 30, 33, 24 | cnmpt12f 23162 |
. . . . . . . . 9
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ ((1 β π‘) Β· π¦)) β (π½ Cn π½)) |
35 | 2 | addcn 24373 |
. . . . . . . . . 10
β’ + β
((π½ Γt
π½) Cn π½) |
36 | 35 | a1i 11 |
. . . . . . . . 9
β’ ((π β§ (π¦ β π β§ π₯ β π)) β + β ((π½ Γt π½) Cn π½)) |
37 | 13, 25, 34, 36 | cnmpt12f 23162 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β β β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (π½ Cn π½)) |
38 | 11, 13, 17, 37 | cnmpt1res 23172 |
. . . . . . 7
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn π½)) |
39 | | cvxpconn.2 |
. . . . . . . . . . . . 13
β’ ((π β§ (π₯ β π β§ π¦ β π β§ π‘ β (0[,]1))) β ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)) β π) |
40 | 39 | 3exp2 1355 |
. . . . . . . . . . . 12
β’ (π β (π₯ β π β (π¦ β π β (π‘ β (0[,]1) β ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)) β π)))) |
41 | 40 | com23 86 |
. . . . . . . . . . 11
β’ (π β (π¦ β π β (π₯ β π β (π‘ β (0[,]1) β ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)) β π)))) |
42 | 41 | imp42 428 |
. . . . . . . . . 10
β’ (((π β§ (π¦ β π β§ π₯ β π)) β§ π‘ β (0[,]1)) β ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)) β π) |
43 | 42 | fmpttd 7112 |
. . . . . . . . 9
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))):(0[,]1)βΆπ) |
44 | 43 | frnd 6723 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ran (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β π) |
45 | | cnrest2 22782 |
. . . . . . . 8
β’ ((π½ β (TopOnββ)
β§ ran (π‘ β (0[,]1)
β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β π β§ π β β) β ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn π½) β (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn (π½ βΎt π)))) |
46 | 13, 44, 19, 45 | syl3anc 1372 |
. . . . . . 7
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn π½) β (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn (π½ βΎt π)))) |
47 | 38, 46 | mpbid 231 |
. . . . . 6
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn (π½ βΎt π))) |
48 | 1 | oveq2i 7417 |
. . . . . 6
β’ (II Cn
πΎ) = (II Cn (π½ βΎt π)) |
49 | 47, 48 | eleqtrrdi 2845 |
. . . . 5
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn πΎ)) |
50 | | 0elunit 13443 |
. . . . . . 7
β’ 0 β
(0[,]1) |
51 | | oveq1 7413 |
. . . . . . . . 9
β’ (π‘ = 0 β (π‘ Β· π₯) = (0 Β· π₯)) |
52 | | oveq2 7414 |
. . . . . . . . . . 11
β’ (π‘ = 0 β (1 β π‘) = (1 β
0)) |
53 | | 1m0e1 12330 |
. . . . . . . . . . 11
β’ (1
β 0) = 1 |
54 | 52, 53 | eqtrdi 2789 |
. . . . . . . . . 10
β’ (π‘ = 0 β (1 β π‘) = 1) |
55 | 54 | oveq1d 7421 |
. . . . . . . . 9
β’ (π‘ = 0 β ((1 β π‘) Β· π¦) = (1 Β· π¦)) |
56 | 51, 55 | oveq12d 7424 |
. . . . . . . 8
β’ (π‘ = 0 β ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)) = ((0 Β· π₯) + (1 Β· π¦))) |
57 | | eqid 2733 |
. . . . . . . 8
β’ (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) = (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) |
58 | | ovex 7439 |
. . . . . . . 8
β’ ((0
Β· π₯) + (1 Β·
π¦)) β
V |
59 | 56, 57, 58 | fvmpt 6996 |
. . . . . . 7
β’ (0 β
(0[,]1) β ((π‘ β
(0[,]1) β¦ ((π‘
Β· π₯) + ((1 β
π‘) Β· π¦)))β0) = ((0 Β·
π₯) + (1 Β· π¦))) |
60 | 50, 59 | ax-mp 5 |
. . . . . 6
β’ ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β0) = ((0 Β· π₯) + (1 Β· π¦)) |
61 | 21 | mul02d 11409 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (0 Β· π₯) = 0) |
62 | 32 | mullidd 11229 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (1 Β· π¦) = π¦) |
63 | 61, 62 | oveq12d 7424 |
. . . . . . 7
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((0 Β· π₯) + (1 Β· π¦)) = (0 + π¦)) |
64 | 32 | addlidd 11412 |
. . . . . . 7
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (0 + π¦) = π¦) |
65 | 63, 64 | eqtrd 2773 |
. . . . . 6
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((0 Β· π₯) + (1 Β· π¦)) = π¦) |
66 | 60, 65 | eqtrid 2785 |
. . . . 5
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β0) = π¦) |
67 | | 1elunit 13444 |
. . . . . . 7
β’ 1 β
(0[,]1) |
68 | | oveq1 7413 |
. . . . . . . . 9
β’ (π‘ = 1 β (π‘ Β· π₯) = (1 Β· π₯)) |
69 | | oveq2 7414 |
. . . . . . . . . . 11
β’ (π‘ = 1 β (1 β π‘) = (1 β
1)) |
70 | | 1m1e0 12281 |
. . . . . . . . . . 11
β’ (1
β 1) = 0 |
71 | 69, 70 | eqtrdi 2789 |
. . . . . . . . . 10
β’ (π‘ = 1 β (1 β π‘) = 0) |
72 | 71 | oveq1d 7421 |
. . . . . . . . 9
β’ (π‘ = 1 β ((1 β π‘) Β· π¦) = (0 Β· π¦)) |
73 | 68, 72 | oveq12d 7424 |
. . . . . . . 8
β’ (π‘ = 1 β ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)) = ((1 Β· π₯) + (0 Β· π¦))) |
74 | | ovex 7439 |
. . . . . . . 8
β’ ((1
Β· π₯) + (0 Β·
π¦)) β
V |
75 | 73, 57, 74 | fvmpt 6996 |
. . . . . . 7
β’ (1 β
(0[,]1) β ((π‘ β
(0[,]1) β¦ ((π‘
Β· π₯) + ((1 β
π‘) Β· π¦)))β1) = ((1 Β·
π₯) + (0 Β· π¦))) |
76 | 67, 75 | ax-mp 5 |
. . . . . 6
β’ ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β1) = ((1 Β· π₯) + (0 Β· π¦)) |
77 | 21 | mullidd 11229 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (1 Β· π₯) = π₯) |
78 | 32 | mul02d 11409 |
. . . . . . . 8
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (0 Β· π¦) = 0) |
79 | 77, 78 | oveq12d 7424 |
. . . . . . 7
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((1 Β· π₯) + (0 Β· π¦)) = (π₯ + 0)) |
80 | 21 | addridd 11411 |
. . . . . . 7
β’ ((π β§ (π¦ β π β§ π₯ β π)) β (π₯ + 0) = π₯) |
81 | 79, 80 | eqtrd 2773 |
. . . . . 6
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((1 Β· π₯) + (0 Β· π¦)) = π₯) |
82 | 76, 81 | eqtrid 2785 |
. . . . 5
β’ ((π β§ (π¦ β π β§ π₯ β π)) β ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β1) = π₯) |
83 | | fveq1 6888 |
. . . . . . . 8
β’ (π = (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (πβ0) = ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β0)) |
84 | 83 | eqeq1d 2735 |
. . . . . . 7
β’ (π = (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β ((πβ0) = π¦ β ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β0) = π¦)) |
85 | | fveq1 6888 |
. . . . . . . 8
β’ (π = (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (πβ1) = ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β1)) |
86 | 85 | eqeq1d 2735 |
. . . . . . 7
β’ (π = (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β ((πβ1) = π₯ β ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β1) = π₯)) |
87 | 84, 86 | anbi12d 632 |
. . . . . 6
β’ (π = (π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (((πβ0) = π¦ β§ (πβ1) = π₯) β (((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β0) = π¦ β§ ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β1) = π₯))) |
88 | 87 | rspcev 3613 |
. . . . 5
β’ (((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦))) β (II Cn πΎ) β§ (((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β0) = π¦ β§ ((π‘ β (0[,]1) β¦ ((π‘ Β· π₯) + ((1 β π‘) Β· π¦)))β1) = π₯)) β βπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯)) |
89 | 49, 66, 82, 88 | syl12anc 836 |
. . . 4
β’ ((π β§ (π¦ β π β§ π₯ β π)) β βπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯)) |
90 | 89 | ralrimivva 3201 |
. . 3
β’ (π β βπ¦ β π βπ₯ β π βπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯)) |
91 | | resttopon 22657 |
. . . . . . 7
β’ ((π½ β (TopOnββ)
β§ π β β)
β (π½
βΎt π)
β (TopOnβπ)) |
92 | 12, 4, 91 | sylancr 588 |
. . . . . 6
β’ (π β (π½ βΎt π) β (TopOnβπ)) |
93 | 1, 92 | eqeltrid 2838 |
. . . . 5
β’ (π β πΎ β (TopOnβπ)) |
94 | | toponuni 22408 |
. . . . 5
β’ (πΎ β (TopOnβπ) β π = βͺ πΎ) |
95 | 93, 94 | syl 17 |
. . . 4
β’ (π β π = βͺ πΎ) |
96 | 95 | raleqdv 3326 |
. . . 4
β’ (π β (βπ₯ β π βπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯) β βπ₯ β βͺ πΎβπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯))) |
97 | 95, 96 | raleqbidv 3343 |
. . 3
β’ (π β (βπ¦ β π βπ₯ β π βπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯) β βπ¦ β βͺ πΎβπ₯ β βͺ πΎβπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯))) |
98 | 90, 97 | mpbid 231 |
. 2
β’ (π β βπ¦ β βͺ πΎβπ₯ β βͺ πΎβπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯)) |
99 | | eqid 2733 |
. . 3
β’ βͺ πΎ =
βͺ πΎ |
100 | 99 | ispconn 34203 |
. 2
β’ (πΎ β PConn β (πΎ β Top β§ βπ¦ β βͺ πΎβπ₯ β βͺ πΎβπ β (II Cn πΎ)((πβ0) = π¦ β§ (πβ1) = π₯))) |
101 | 10, 98, 100 | sylanbrc 584 |
1
β’ (π β πΎ β PConn) |