
It is not the only
LOGICAL explanation.
The Big Bang Theory Season 5, Episode 20

The next LOGICAL question
Hank will probably ask is:
Breaking Bad Season 4, Episode 4

The only LOGICAL explanation
is that this is a dream.
The Big Bang Theory Season 5, Episode 20

At best you can say, "Hey, look, my idea
has an internal LOGICAL consistency."
The Big Bang Theory Season 1, Episode 3

it seemed only LOGICAL
that I employ your services once again.
The Big Bang Theory Season 9, Episode 8