We don't need Kowalski form.
Whitespace.
We don't need SQUEEZE-QUANTIFIERS.
Drop unneeded functionality.
We don't need CONFIRM-PREMISE-MINIMALITY.
The optional-info part of TPTP dbs doesn't concern us.
Drop unused function.
We don't deal with sources (in the TPTP sense).
We don't need to rename (TPTP) symbols.
Try to be smart about implications (assuming E).

This really needs to be factored out.