Learn a Fact: 1 x 2

1
1
x  8
2
1
x  2
3
0
x  7
4
3
x  0
5
8
x  0
6
6
x  1
7
1
x  1
8
0
x  9
9
1
x  5
10
4
x  1
11
7
x  1
12
1
x  0
13
1
x  3
14
0
x  2
15
5
x  0
16
1
x  9
17
0
x  6
18
0
x  4

Fact Navigator

You're learning

1

x2


2

2

x1


2

Move on to other facts:
1
X 1
1
1
X 3
3