...although: 2 x 700c = lo pro and 700c x 650c or 700c x 24inch = lower pro?
no?
No
Bullhorns positioned to replicate drop bar position = Lo Pro
Nothing else.
A lo Pro can have a 700 front wheel and a horizontal top tube, for a very tall rider it might even have both of those things and a conventional stem, as long as it meets the above test.
Sloping top tubes and small front wheels were both in use before the Lo Pro was invented.
No
No
Bullhorns positioned to replicate drop bar position = Lo Pro
Nothing else.
A lo Pro can have a 700 front wheel and a horizontal top tube, for a very tall rider it might even have both of those things and a conventional stem, as long as it meets the above test.
Sloping top tubes and small front wheels were both in use before the Lo Pro was invented.