Informal Logic:
* Focuses on everyday reasoning: It deals with how people reason in everyday situations, often using language that isn't strictly formal.
* Practical and intuitive: Informal logic focuses on the practical aspects of reasoning, aiming to understand how arguments work and whether they are persuasive.
* Examples:
* "If it's raining, the ground will be wet. The ground is wet, so it must have rained."
* "You should eat your vegetables because they are good for you."
* "She's wearing a lot of makeup, so she must be going on a date."
Everyday Logic:
* Often based on assumptions and common sense: Everyday logic relies heavily on shared experiences and cultural norms.
* Can be subjective and prone to biases: What seems logical to one person might not seem logical to another, as individual experiences and perspectives can influence reasoning.
* Not always formally sound: While everyday logic can be helpful in navigating daily life, it doesn't always follow the strict rules of formal logic.
* Example: "My friend is always late, so they'll probably be late to the party."
Key Differences from Formal Logic:
* Formal logic: Uses precise symbols and rules to ensure strict validity.
* Informal logic: Uses natural language and aims for persuasive arguments rather than strict logical validity.
In summary:
"Casual logic" likely refers to informal or everyday logic, which is the way people reason in everyday life, using language and assumptions. While it's not as rigorous as formal logic, it plays a vital role in our understanding of the world.