The implicit claim that Tarski said “‘This T-shirt is black’ is true if this T-shirt is black” is true iff Tarski said “‘This T-shirt is black’ is true if this T-shirt is black.”
The implicit claim that Tarski said “‘This T-shirt is black’ is true if this T-shirt is black” is true iff Tarski said “‘This T-shirt is black’ is true if this T-shirt is black.”