question: included in these papers was his introduction of the denjoy index for the points of a perfect set.
Capitalize this past sentence correctly.
A: Included in these papers was his introduction of the Denjoy index for the points of a perfect set.

question: but before then i had started to feel better.
Capitalize this past sentence correctly.
A: But before then I had started to feel better.

question: but afterwards he said within himself: although i fear not god, nor regard man,
Capitalize this past sentence correctly.
A: But afterwards he said within himself: Although I fear not God, nor regard man,