An analogous term is a word or phrase that is similar in meaning to another word or phrase. In logic, analogous terms can be used to make comparisons or draw connections between different ideas or concepts.

One example of analogous terms in logic is the use of the terms "converse," "inverse," and "contrapositive." These terms are used to describe the relationship between two propositions in a logical argument.

The converse of a proposition is formed by switching the subject and predicate. For example, the converse of the proposition "All dogs are mammals" is "All mammals are dogs." The inverse of a proposition is formed by negating both the subject and predicate. For example, the inverse of the proposition "All dogs are mammals" is "No dogs are mammals." The contrapositive of a proposition is formed by negating the predicate and switching the subject and predicate. For example, the contrapositive of the proposition "All dogs are mammals" is "No mammals are dogs."

These analogous terms can be used to evaluate the strength of a logical argument. If the original proposition and its converse are both true, then the argument is considered to be strong. If the original proposition and its inverse are both false, then the argument is also considered to be strong. However, if the original proposition and its contrapositive are both true, then the argument is considered to be weak.

Another example of analogous terms in logic is the use of the terms "necessary" and "sufficient." These terms are used to describe the relationship between two conditions in a logical argument.

A necessary condition is a condition that must be met in order for something to happen. For example, in the proposition "If it is raining, then the ground is wet," the condition "it is raining" is necessary for the ground to be wet.

A sufficient condition is a condition that is enough on its own to cause something to happen. For example, in the proposition "If it is raining, then the ground is wet," the condition "the ground is wet" is sufficient to conclude that it is raining.

These analogous terms can be used to evaluate the strength of a logical argument. If a sufficient condition is met, then the necessary condition is also met. However, if a necessary condition is not met, then the sufficient condition cannot be met.

In conclusion, analogous terms in logic are words or phrases that are similar in meaning and are used to make comparisons or draw connections between different ideas or concepts. The terms "converse," "inverse," and "contrapositive" are used to describe the relationship between two propositions, while the terms "necessary" and "sufficient" are used to describe the relationship between two conditions. Understanding and using these analogous terms can help to evaluate the strength of a logical argument.