Step |
Hyp |
Ref |
Expression |
1 |
|
ackval42 |
Could not format ( ( Ack ` 4 ) ` 2 ) = ( ( 2 ^ ; ; ; ; 6 5 5 3 6 ) - 3 ) : No typesetting found for |- ( ( Ack ` 4 ) ` 2 ) = ( ( 2 ^ ; ; ; ; 6 5 5 3 6 ) - 3 ) with typecode |- |
2 |
|
sq2 |
|
3 |
2
|
oveq2i |
|
4 |
|
2exp4 |
|
5 |
3 4
|
eqtri |
|
6 |
5
|
oveq2i |
|
7 |
|
2exp16 |
|
8 |
6 7
|
eqtr2i |
|
9 |
8
|
oveq2i |
|
10 |
9
|
oveq1i |
|
11 |
1 10
|
eqtri |
Could not format ( ( Ack ` 4 ) ` 2 ) = ( ( 2 ^ ( 2 ^ ( 2 ^ ( 2 ^ 2 ) ) ) ) - 3 ) : No typesetting found for |- ( ( Ack ` 4 ) ` 2 ) = ( ( 2 ^ ( 2 ^ ( 2 ^ ( 2 ^ 2 ) ) ) ) - 3 ) with typecode |- |