The Early Explorers Used Sailing Ships,which Were Blown by the Major

question 20

True/False

The early explorers used sailing ships,which were blown by the major winds; therefore,Columbus and other sailors generally traveled from Europe to North America by the mid-latitude westerlies,and returned to Europe by the southern easterlies near the equator.

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Definitions:

Universal Instantiation

A logical rule of inference stating that if a property is true for all members of a category, it is true for any specific member of that category.

Universal Generalization

A logical principle stating that what is true for all instances within a certain category can be applied generally to the entire category.

Quantifier Negation

The process of applying negation to a quantified statement, which involves changing the quantifier ("for all" to "there exists") and negating the predicate.

Existential Generalization

A logical operation that infers a general statement about the existence of something, based on particular instances or evidence.