
...LOGIC dictates you must leave.
The Big Bang Theory Season 2, Episode 23

full of puzzles
that rely on LOGIC
The Big Bang Theory Season 7, Episode 3

By that LOGIC, I should be with someone
short, dull, and needy.
The Big Bang Theory Season 9, Episode 8

But in business, I trust in LOGIC, not passion.
Game of Thrones Season 2, Episode 6

Here we go with the ironclad LOGIC again.
The Big Bang Theory Season 9, Episode 18