If a fact is to be a picture, it must have something in commonwith what it depicts. There must be something identical in a picture and what it depicts, to enable the one to be a picture of the other at all. 2.171 A picture can depict any reality whose form it has. A spatialpicture can depict anything spatial, a coloured one anything coloured, etc. 2.181 A picture whose pictorial form is logical form is called a logical picture.
Every picture is at the same time a logical one.
2.19 Logical pictures can depict the world. What a picture represents is its sense. The agreement or disagreement or its sense with reality constitutes its truth or falsity. In order to tell whether a picture is true or false we must compare it with reality. It is impossible to tell from the picture alone whether it istrue or false.