Step | Hyp | Ref
| Expression |
1 | | simp2 998 |
. . . 4
β’ ((π β πΆ β§ π β π β§ (π β π΅ β§ π β π β§ π β π)) β π β π) |
2 | | lsscl.f |
. . . . . 6
β’ πΉ = (Scalarβπ) |
3 | | lsscl.b |
. . . . . 6
β’ π΅ = (BaseβπΉ) |
4 | | eqid 2177 |
. . . . . 6
β’
(Baseβπ) =
(Baseβπ) |
5 | | lsscl.p |
. . . . . 6
β’ + =
(+gβπ) |
6 | | lsscl.t |
. . . . . 6
β’ Β· = (
Β·π βπ) |
7 | | lsscl.s |
. . . . . 6
β’ π = (LSubSpβπ) |
8 | 2, 3, 4, 5, 6, 7 | islssm 13450 |
. . . . 5
β’ (π β πΆ β (π β π β (π β (Baseβπ) β§ βπ π β π β§ βπ₯ β π΅ βπ β π βπ β π ((π₯ Β· π) + π) β π))) |
9 | 8 | 3ad2ant1 1018 |
. . . 4
β’ ((π β πΆ β§ π β π β§ (π β π΅ β§ π β π β§ π β π)) β (π β π β (π β (Baseβπ) β§ βπ π β π β§ βπ₯ β π΅ βπ β π βπ β π ((π₯ Β· π) + π) β π))) |
10 | 1, 9 | mpbid 147 |
. . 3
β’ ((π β πΆ β§ π β π β§ (π β π΅ β§ π β π β§ π β π)) β (π β (Baseβπ) β§ βπ π β π β§ βπ₯ β π΅ βπ β π βπ β π ((π₯ Β· π) + π) β π)) |
11 | 10 | simp3d 1011 |
. 2
β’ ((π β πΆ β§ π β π β§ (π β π΅ β§ π β π β§ π β π)) β βπ₯ β π΅ βπ β π βπ β π ((π₯ Β· π) + π) β π) |
12 | | oveq1 5884 |
. . . . . 6
β’ (π₯ = π β (π₯ Β· π) = (π Β· π)) |
13 | 12 | oveq1d 5892 |
. . . . 5
β’ (π₯ = π β ((π₯ Β· π) + π) = ((π Β· π) + π)) |
14 | 13 | eleq1d 2246 |
. . . 4
β’ (π₯ = π β (((π₯ Β· π) + π) β π β ((π Β· π) + π) β π)) |
15 | | oveq2 5885 |
. . . . . 6
β’ (π = π β (π Β· π) = (π Β· π)) |
16 | 15 | oveq1d 5892 |
. . . . 5
β’ (π = π β ((π Β· π) + π) = ((π Β· π) + π)) |
17 | 16 | eleq1d 2246 |
. . . 4
β’ (π = π β (((π Β· π) + π) β π β ((π Β· π) + π) β π)) |
18 | | oveq2 5885 |
. . . . 5
β’ (π = π β ((π Β· π) + π) = ((π Β· π) + π)) |
19 | 18 | eleq1d 2246 |
. . . 4
β’ (π = π β (((π Β· π) + π) β π β ((π Β· π) + π) β π)) |
20 | 14, 17, 19 | rspc3v 2859 |
. . 3
β’ ((π β π΅ β§ π β π β§ π β π) β (βπ₯ β π΅ βπ β π βπ β π ((π₯ Β· π) + π) β π β ((π Β· π) + π) β π)) |
21 | 20 | 3ad2ant3 1020 |
. 2
β’ ((π β πΆ β§ π β π β§ (π β π΅ β§ π β π β§ π β π)) β (βπ₯ β π΅ βπ β π βπ β π ((π₯ Β· π) + π) β π β ((π Β· π) + π) β π)) |
22 | 11, 21 | mpd 13 |
1
β’ ((π β πΆ β§ π β π β§ (π β π΅ β§ π β π β§ π β π)) β ((π Β· π) + π) β π) |