Intro to statements and truth values in logic
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Intro to statements and truth values in logic
3:04
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Video 1 of 25
Intro to statements and truth values in logic
3 min
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Open sentences, domain, and truth sets explained
7 min
Finding the truth value of "December is the first month of the year"
1 min
Evaluating the truth value of a statement about diameter and radius
3 min
Translating the Pythagorean theorem from words to a formula
5 min
Evaluating the truth value of an equation using order of operations
2 min
Finding the truth value of a statement about hexagons
2 min
Identifying the variable in an open sentence with 2x + 5 = 10
2 min
Identifying the variable in a word sentence
1 min
Identifying the variable in "it is a multiple of seven"
2 min
Identifying the variable in an inequality open sentence
2 min
Identifying the variable in a word sentence about "she"
2 min
Finding the truth set for "has more than four sides" using a shape domain
10 min
Finding the truth set for "it has less than four sides"
8 min
Testing shapes for exactly four sides using a replacement set
5 min
Finding the truth set for shapes with four equal sides
7 min
Determining the truth set for "it is a rectangle" using shape substitutions
8 min
Finding the truth set for interior angles summing to 180 degrees
16 min
Testing which shapes have only right angles to find the truth set
13 min
Identifying an open sentence and its variable in an equation
2 min
Identifying 2+7=10 as a closed sentence and determining its truth value
1 min
Classifying a word sentence as open, closed, or neither
2 min
Classifying 19 minus 4 as neither open nor closed sentence
2 min
Classifying a command as neither open nor closed sentence
1 min
Why questions are neither open nor closed sentences
3 min