Tuesday, October 5, 2010

Conditional Claim and Contrapositive Condition

Conditional Claim uses the “If…then…” mechanism for the statement to “have the same truth-value (page 121). The antecedent says if something is like this, then the consequent is it would be like that. To clarify that, here is an example:
If Jeremy retains what he learned from his English 1A and 1B and studied for the WST, then he has a higher chance of passing the test.
The consequent’s conditions show the possible result/s through the antecedent.
Under Necessary and sufficient conditions category, Contrapositive condition is easier to comprehend if the statement has two claims that are equal to each other “if each is true exactly when the other is,” according to Epstein. The claim and its contrapositive should complement each other for the statement to work. For example:
Claim: If Jeremy can take the 100W class, than that means he passed the WST.
Contrapositive: If Jeremy did not pass the WST, then he cannot take the 100W class.
I think the Contrapositive condition has a pretty clear definition and mechanism that we can understand easily. However, it is only one of the many ways to clarify and support a claim.

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