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In this video, we introduce the notion of a biconditional statement, a concept in logic that captures the meaning of "if and only if.

Converse, Inverse, Contrapositive and Biconditional statements by Prof. Pratul Gadagkar, is licensed under a Creative Commons ...

We learn about conditional and biconditional statements. Meant to be watched before or after reading Chapter 2 of the open ...

This YouTube channel was established during the COVID-19 challenging times, notably the national lockdowns worldwide.

In this video, we discuss how to a biconditional statement, that is, when two statement are equivalent. This is usually marked by "if ...

An introduction to the conditional statement "if then" sentences.

In this example, we demonstrate a proof of a biconditional statement.

In this video, we demonstrate how to disprove existential statements using direct proof or proof by contradiction. This is lecture 29 ...

Another example of a proof of a biconditional or "if and only if" statement.

This video describes the construction of proofs of biconditional ("if and only if") statements as a system of two direct proofs.

We do an example involving a statement with more than one connective. Meant to be watched before or after reading Chapter 2 of ...

Although I need to create a better biconditional statement, there are some decent practice examples.

This example is taken from Versatile Mathematics, an OER textbook created at Frederick Community College. The book can be ...

An introduction to a biconditional or if and only if statement.

In this lesson, we are going to talk about one of the four logical connectives -- the biconditionals. These are statements of the form ...

Our last dedicated screencast on truth tables, taking a look at biconditional ("if and only if") statements.

An introduction to biconditionals and two rules of inference: biconditional introduction and biconditional elimination.

An introduction to the general types of logic statements.

This example is taken from Versatile Mathematics, an OER textbook created at Frederick Community College. The book can be ...

Here we discuss the logic of conditionals in mathematics. We follow the presentation in Dan Madden's notes for Math 323 at the ...