The Sign of the Four

by Sir Arthur Conan Doyle

The Sign of the Four: Irony 2 key examples

Definition of Irony

Irony is a literary device or event in which how things seem to be is in fact very different from how they actually are. If this seems like a loose definition... read full definition
Irony is a literary device or event in which how things seem to be is in fact very different from how they actually are. If this... read full definition
Irony is a literary device or event in which how things seem to be is in fact very different from how... read full definition
Chapter 1 — The Science of Deduction
Explanation and Analysis—Simplicity Itself!:

In Chapter 1, Doyle wastes no time introducing the reader to Holmes's penchant for deductive reasoning and obsession with rational decision-making. Holmes himself describes how he reaches his confounding conclusions with characteristic self-confidence, which he conveys through the use of hyperbole. Additionally, the moment is an example of logos and situational irony:

'It is simplicity itself,' he remarked, chuckling at my surprise—'so absurdly simple that an explanation is superfluous; and yet it may serve to define the limits of observation and of deduction.

Chapter 6 — Sherlock Holmes Gives a Demonstration
Explanation and Analysis—The Erudite Holmes:

In Chapter 6, Holmes must contend with the incompetent Athelney Jones, a local policeman whose shoddy intuition about Bartholomew's murder hinders Holmes's own investigation into the crime. As Holmes disparages Jones to Watson (and the reader), he lets loose two literary allusions—one in French, one in German: 

'He can find something,' remarked Holmes, shurgging his shoulders; 'he has occasional glimmerings of reason. Il n'y a pas des sots si incommodes que ceux qui on de l'esprit?'

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