[word=The] [□=□] □
[word=The] [lemma=□] □
[word=The] [word=□] □
The logical structure of a document is constrained by certain rules . The logical structure evident in Socratic Method was already being used in the form of Indirect Proof or the reductio ad absurdum argument in mathematics and elsewhere . The logical structure of the LTAP messages includes archive data , archiving process related information and references together with request and processing information .