Dialectics is about refuting currently held opinions until a halt of the mind is achieved. Understanding that all the options considered are false. It is leading the person to the difficult realization that he truly does not know and that It is the starting point of deep internal searching of the soul for new and true answers that would hold against the given refutation.
This is one of the great discoveries of the art of learning, of authentic critical thinking, of reaching deeper levels of understanding.
Dialectics has it’s western tradition in ancient Greece and Eastern tradition that is practiced by Tibetan monks.