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Mirrors > Home > ILE Home > Th. List > df-logb | Unicode version |
Description: Define the
logb operator. This is the logarithm generalized to an
arbitrary base. It can be used as ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
df-logb |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | clogb 13199 |
. 2
![]() | |
2 | vx |
. . 3
![]() ![]() | |
3 | vy |
. . 3
![]() ![]() | |
4 | cc 7709 |
. . . 4
![]() ![]() | |
5 | cc0 7711 |
. . . . 5
![]() ![]() | |
6 | c1 7712 |
. . . . 5
![]() ![]() | |
7 | 5, 6 | cpr 3557 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
8 | 4, 7 | cdif 3095 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | 5 | csn 3556 |
. . . 4
![]() ![]() ![]() ![]() |
10 | 4, 9 | cdif 3095 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
11 | 3 | cv 1331 |
. . . . 5
![]() ![]() |
12 | clog 13116 |
. . . . 5
![]() ![]() | |
13 | 11, 12 | cfv 5163 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
14 | 2 | cv 1331 |
. . . . 5
![]() ![]() |
15 | 14, 12 | cfv 5163 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
16 | cdiv 8524 |
. . . 4
![]() ![]() | |
17 | 13, 15, 16 | co 5814 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
18 | 2, 3, 8, 10, 17 | cmpo 5816 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
19 | 1, 18 | wceq 1332 |
1
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Colors of variables: wff set class |
This definition is referenced by: rplogbval 13201 |
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