TRUTH TABLES ON TI NSPIRE CX
We use 1 for T and 0 for F
Use and for conjunction and or for inclusive disjunction
For negation we use 1-p and 1-q
Notice the difference between variable reference and column reference:
To create the truth table ( p  q) :
p
T
T
F
F
q
T
F
T
F
pq
T
F
F
F
( p  q)
F
T
T
T
To create the truth table p  q :
p
T
T
F
F
q
T
F
T
F
p
F
F
T
T
q
F
T
F
T
p  q