Irony is a special use of double meaning, as when someone makes a remark which, while clearly saying one thing, hints at a further and different meaning which only certain hearers would understand. The effect of such speech is often bitter and a bit sinister, always concentrated and full of suggestion. Irony maybe of situation as well as of speech, as when Hamlet spares Claudius at his prayers (Act 4, Scene 3), thinking that Claudius is making his peace with God, while in fact, Claudius is merely discovering that he cannot repent and that to continue in villainous intrigue is his only course. The whole bent of Hamlet’s mind, especially in his riddling speeches, is ironical. The device is very effective because of the note of grim humour, the sharp twist it can administer.
Dramatic irony is a special type. It depend on the fact that some characters in the play know more than others and that the audience can see more than any of them. Thus quite innocent remark will have a by no means innocent meaning to the audience. One example o this is Claudius’ speech to Laertes (Act 4, Scene 7). He has diverted Laertes’ revengeful energy onto Hamlet; then he says, “You shortly shall hear more,” (4.7.33) meaning the news of Hamlet’s death in England. But we know from Act 4, Scene 6 that Hamlet has returned and Claudius will hear more in a sense very different from his own meaning.
Using above as a reference to irony and dramatic irony, please discuss how the theme of irony and/or dramatic irony has affected Act 5 of Hamlet.