Step | Hyp | Ref
| Expression |
1 | | cS |
. . 3
class 𝑆 |
2 | 1 | cupword 45582 |
. 2
class UpWord
𝑆 |
3 | | vw |
. . . . . 6
setvar 𝑤 |
4 | 3 | cv 1540 |
. . . . 5
class 𝑤 |
5 | 1 | cword 14463 |
. . . . 5
class Word
𝑆 |
6 | 4, 5 | wcel 2106 |
. . . 4
wff 𝑤 ∈ Word 𝑆 |
7 | | vk |
. . . . . . . 8
setvar 𝑘 |
8 | 7 | cv 1540 |
. . . . . . 7
class 𝑘 |
9 | 8, 4 | cfv 6543 |
. . . . . 6
class (𝑤‘𝑘) |
10 | | c1 11110 |
. . . . . . . 8
class
1 |
11 | | caddc 11112 |
. . . . . . . 8
class
+ |
12 | 8, 10, 11 | co 7408 |
. . . . . . 7
class (𝑘 + 1) |
13 | 12, 4 | cfv 6543 |
. . . . . 6
class (𝑤‘(𝑘 + 1)) |
14 | | clt 11247 |
. . . . . 6
class
< |
15 | 9, 13, 14 | wbr 5148 |
. . . . 5
wff (𝑤‘𝑘) < (𝑤‘(𝑘 + 1)) |
16 | | cc0 11109 |
. . . . . 6
class
0 |
17 | | chash 14289 |
. . . . . . . 8
class
♯ |
18 | 4, 17 | cfv 6543 |
. . . . . . 7
class
(♯‘𝑤) |
19 | | cmin 11443 |
. . . . . . 7
class
− |
20 | 18, 10, 19 | co 7408 |
. . . . . 6
class
((♯‘𝑤)
− 1) |
21 | | cfzo 13626 |
. . . . . 6
class
..^ |
22 | 16, 20, 21 | co 7408 |
. . . . 5
class
(0..^((♯‘𝑤) − 1)) |
23 | 15, 7, 22 | wral 3061 |
. . . 4
wff
∀𝑘 ∈
(0..^((♯‘𝑤)
− 1))(𝑤‘𝑘) < (𝑤‘(𝑘 + 1)) |
24 | 6, 23 | wa 396 |
. . 3
wff (𝑤 ∈ Word 𝑆 ∧ ∀𝑘 ∈ (0..^((♯‘𝑤) − 1))(𝑤‘𝑘) < (𝑤‘(𝑘 + 1))) |
25 | 24, 3 | cab 2709 |
. 2
class {𝑤 ∣ (𝑤 ∈ Word 𝑆 ∧ ∀𝑘 ∈ (0..^((♯‘𝑤) − 1))(𝑤‘𝑘) < (𝑤‘(𝑘 + 1)))} |
26 | 2, 25 | wceq 1541 |
1
wff UpWord
𝑆 = {𝑤 ∣ (𝑤 ∈ Word 𝑆 ∧ ∀𝑘 ∈ (0..^((♯‘𝑤) − 1))(𝑤‘𝑘) < (𝑤‘(𝑘 + 1)))} |