We've been denied access to the building,
ERGO we are done.
The Big Bang Theory Season 1, Episode 1
I'm on the team and I wasn't there.
Ergo, the team did not meet.
The Big Bang Theory Season 1, Episode 13
Ergo, you have no say...
The Big Bang Theory Season 2, Episode 9
Ergo, you would still have it.
This is a classic rookie time-travel mistake.
The Big Bang Theory Season 1, Episode 14
That logic is post hoc
ERGO propter hoc.
The Big Bang Theory Season 3, Episode 1