Please tell me why solipsism and cartesian skepticism are considered self refuti

Question:

Please tell me why solipsism and cartesian skepticism are considered self refuting and not to be taken serious

Additional Details

1 week ago
in addition to that what about wittgenstein?

1 week ago
i want philisophical facts based on logic. i dont want to hear any biased opinionated answers who never even read up or studies on it. i want universaly or at least generaly accepted philisophical arguments against solipsism and skepticism

Best Answer - Chosen by Asker: 1 week ago
in addition to that what about wittgenstein?