Logical connection hidden in eight puzzle answers

Question:

Answer:

ERGO

Length:

Similar Crossword Questions:

Rap sheet letters hidden in this puzzle's longest answers
Structure of this puzzle's theme, hidden in five answers
Brief version of this puzzle's title hidden in eight long puzzle answers
Secret retreat hidden in this puzzle's nine longest answers
Picnic serving, and when divided properly, a hint to a hidden feature of six pairs of puzzle answers
Call hidden in this puzzle's eight longest answers that's apt for May Day?
Featured article hidden in this puzzle's nine longest answers
They're hidden in this puzzle's nine longest answers
Their names are hidden in eight answers in this puzzle
Item hidden in each of the 15-letter answers in this puzzle
Meal blessing that's 'mixed' and hidden in seven answers in this puzzle
"Field" hidden in five puzzle answers
They're hidden in seven long answers in this puzzle
Business "meeting" hidden in nine puzzle answers
Entertainer (1938-2007) whose first name is hidden in eight puzzle answers including this one
They're hidden in this puzzle's seven longest answers
Appliances hidden in seven answers in this puzzle
They're hidden in this puzzle's eight longest answers
HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
Three-letter combinations hidden in this puzzle's six other longest answers
Intel collector hidden in nine puzzle answers
One of this puzzle's hidden answers, in Latin
'Spring forward' occasion hidden in 10 answers in this puzzle
Annual cause of losing an hr.'s sleep hidden in this puzzle's 10 longest answers
Hoop group hidden inside this puzzle's three longest answers