Felicity Conditions
Concept of felicity conditions
Felicity conditions are the necessary conditions that must be met for a speech act to count as successful or appropriate. Think of them as a checklist: if everything checks out, the speech act goes through. If something's missing, the act misfires.
- When all conditions are satisfied, the speech act is valid and effective (a promise made with genuine intention to follow through)
- When conditions aren't met, the speech act is infelicitous, meaning it fails or falls flat (an insincere apology where the speaker doesn't believe they did anything wrong)
- These conditions help ensure the intended illocutionary force of the speech act actually reaches the hearer the way the speaker meant it to

Types of felicity conditions
J.L. Austin originally introduced the idea of felicity conditions, and John Searle later organized them into four main types. Each one targets a different aspect of what makes a speech act work.
- Propositional content condition: The content of the utterance must be appropriate for the type of speech act being performed.
- For a promise, the propositional content must refer to a future action by the speaker. You can't promise something that already happened, and you can't promise someone else's behavior.
- Preparatory condition: Certain background circumstances must hold for the speech act to make sense.
- For an apology, the speaker must believe they've done something that warrants apologizing for. Apologizing for something you don't think was wrong violates this condition. Similarly, for a request, the speaker must believe the hearer is actually able to do what's being asked.
- Sincerity condition: The speaker must have the psychological state that matches the speech act.
- For a promise, the speaker must genuinely intend to carry out the action. For a request, the speaker must actually want the hearer to do the thing. Saying "I promise I'll be there" while planning not to show up violates the sincerity condition.
- Essential condition: The utterance must count as an attempt to bring about a specific effect or commitment.
- For a promise, the essential condition is that the speaker takes on an obligation to do the future act. For a declaration like a judge's verdict, the essential condition is that the utterance is intended to change institutional reality (e.g., the defendant's legal status).

Context in felicity conditions
Felicity conditions don't exist in a vacuum. They're closely tied to the social and institutional context surrounding the speech act.
- Social norms, conventions, and expectations help determine whether a speech act is felicitous. A marriage declaration is only valid if performed by someone with the right institutional authority, like a licensed officiant. The same words spoken by a random bystander wouldn't create a marriage.
- Institutional rules shape felicity conditions too. A judge's verdict counts as felicitous only within the context of a legal system and proper court proceedings. Outside that setting, the same words carry no legal force.
- This connection between felicity conditions and context shows why shared understanding matters. Both speaker and hearer need to recognize and accept the relevant social or institutional framework for the speech act to succeed.
Institutional Facts
Role of institutional facts
Institutional facts are facts that exist only because human institutions exist. They contrast with brute facts, which hold regardless of human agreement (like the fact that water freezes at 0°C). Institutional facts depend on collective acceptance and shared rules.
- Examples include money (a piece of paper counts as currency because we collectively treat it that way), marriage (a legal union recognized by society), and government positions (someone is president because institutional rules designate them as such).
- The philosopher John Searle argued that institutional facts follow a basic formula: X counts as Y in context C. A signed piece of paper (X) counts as a legally binding contract (Y) within a legal system (C).
Institutional facts are what give many speech acts their power.
- They provide the background context and rules that determine felicity conditions. The institutional fact of marriage is what gives a wedding vow its force. Without the institution, exchanging rings and saying "I do" would just be a conversation.
- Without the institutional fact of a legal system, a judge saying "I find the defendant guilty" would have no more effect than anyone else saying it.
The relationship between language and institutional facts runs in both directions.
- Language creates and maintains institutional facts. Passing a law, signing a treaty, or issuing a decree are all speech acts that bring institutional facts into existence.
- Institutional facts shape how language is used and interpreted. Legal terminology in contracts, parliamentary procedures, and courtroom language all follow rules set by the institutions they operate within.
This interdependence is central to speech act theory: language doesn't just describe reality, it actively constructs the social and institutional world we live in.