But… The teacher is just flat-out wrong. It says right there in the problem that Marty ate more, and then uses that fact as a foundation for the question of “x is true, HOW can x be true”. It’d be different if the question was “someone claims x is true; is it?”
But… The teacher is just flat-out wrong. It says right there in the problem that Marty ate more, and then uses that fact as a foundation for the question of “x is true, HOW can x be true”. It’d be different if the question was “someone claims x is true; is it?”