If You Are on Mercury and the Time Is Noon

question 22

Multiple Choice

If you are on Mercury and the time is noon (Sun directly overhead) ,what time of day will it be one Mercurian year later (after Mercury has orbited the Sun once) ? (See Figure 6-44,Comins,Discovering the Essential Universe,6th ed.)

• A) just after sunset
• B) any time because Mercury rotates independently of its revolution
• C) noon
• D) midnight

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Definitions:

Contingent Statement

In the Logic of Statements means a grammatically correct expression that turns out to be true under at least one possible assignment of truth values to its component simple statements and false under another possible assignment of truth values to its component simple statements.

Truth Values

The attribution of truth or falsity to propositions or statements, which in classical logic are typically denoted as true or false.

Translation

The process of translating words or text from one language into another.

Declarative Logic

A branch of logic concerned with statements that declare facts about the world, which can be either true or false.