What is it called when you use wrong but smart arguments? [closed]
What do you call it when someone uses smart and intelligent but wrong statements to strengthen their argument?
Sophistry is
The use of clever but false arguments, especially with the intention of deceiving.
This seems to fit your definition.
Specious
A 'specious argument' is one that is empty, false or incorrect.
Definition:
https://dictionary.cambridge.org/dictionary/english/speci