> Since there are no firm truths that's bullshit. Classic liar's paradox and the solution is that sentence is ungrammatical in a strong sense of universal gram

> Since there are no firm truths that's bullshit. Classic liar's paradox and the solution is that sentence is ungrammatical in a strong sense of universal grammar ... which I can't prove, and I'm not philosopher enough to concern myself with lists of formal fallacies to make up for it