tractatus wittgensteino-markovus

1) If a primitive sign.

2) Every sign that has sense.

3) A proposition is an affix.

4) Frege regarded the propositions dx.

5) fx in the left hand pair of brackets with these rules, which deal with forms that I know the situation of which I have no value.

What is this thing?
I don`t care, just do it again.