How does Sophocles use tragic irony in his plays?

Sophocles is renowned for his masterful use of tragic irony, a structural device that creates a profound gap between the audience's knowledge and the characters' understanding.12

In his plays, particularly Oedipus the King, this irony functions by placing the audience in a position of superior awareness. While the spectators understand the true, often devastating nature of the protagonist's situation, the characters remain in a state of ignorance or delusion. Consequently, the characters' words and actions take on contradictory meanings: what they intend as noble or logical steps often lead them directly toward their inevitable ruin.345

This technique is not merely a stylistic flourish but is embedded in the structure of the drama. By allowing the audience to witness the protagonist’s "rush to tragedy" while they are blinded by their own errors, Sophocles highlights the collision between human folly and the truth. This creates intense dramatic tension, as the audience watches the hero unknowingly fulfill the very fates they are desperately trying to escape.4567