All lady bugs are bugs but not all bugs are lady bugs

[Unregistered]

What is this called when you say something like "All lady bugs are bugs but not all bugs are lady bugs"?

[houlun]

I think he/she means 'lady bug' is 'ladybird'.
He/she thinks so, I think

[Philly]

Perhaps you're talking about a 'pun' or a 'play on words'?

"All ladybugs are bugs but not all bugs are lady bugs."
(i.e. "All ladybugs are bugs but not all bugs are female bugs.")

[mykwyner]

You might be thinking of a syllogism. Syllogism - Wikipedia, the free encyclopedia This is a type of logical argument with a major premise, a minor premise and a conclusion. Your ladybug sentence sounds like part of a syllogism.