Moral Reasoning - Valid Argument Forms
8 important questions on Moral Reasoning - Valid Argument Forms
What is the form of a modus ponens?
2. P.
Therefor,
3. Q.
Explanation: if premises (P) 1 and 2 are true, the conclusion (Q; 3) must also be true.
What is the difference between sound and unsound premises?
What is Modus Pones?
- If P, then Q
- P.
- Q.
Voorbeeld:
- If humans have rights, then you have rights.
- Humans have rights.
Therefore,
- You have rights.
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What are the 2 parts of a condition?
- IF; Antecedent (That which comes before)
- THEN; Consequent (That which comes after)
What is the hypothetical syllogism?
- If P, then Q
- If Q, then R
- If P, then R.
Its antecedent guarantees its consequent. So, in the first premise, P guarantees Q. In the second premise Q guarantees R.
What parts does a modus ponens reasoning contain?
What is the form of a modus tollens?
2. Q is false.
Therefore
3. P is false.
Explanation: the consequent is a necessary condition of its antecedent. P is true only if Q is true.
What is a hypothetical syllogism and what is its form?
1. If P, then Q.
2. If Q, then R.
Therefor
3. If P, then R.
Explanation: a hypothetical syllogism basically represents a chain of guarantees, with the initial hypothesis guaranteeing the last link in the chain of conditionals.
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