How many rows does a truth table have for: p (+) (pvq) ?

Question

amistre64 · Answer

i get 4 outputs for (pvq); t,t,t,f

p q  pvq
t  t     t
t  f     t
f  t     t
f  f     f

do i cycle the ps: t,f thru all 4 results?

amistre64 · Answer

t t  f
t t  f
t t  f
t f  t

f t  t
f t  t
f t  t
f f  f

or do i just stick to the original four rows?

amistre64 · Answer

p q  pvq    p(+) (pvq)
t  t     t             f
t  f     t             f
f  t     t             t
f  f     f             f

zarkon · Answer

let n be the number of statements. then you will need $$2^n$$ rows for your truth table

you have 2 statements (p,q) so you need $$2^2=4$$ rows


also... what is the (+) for?

amistre64 · Answer

(+) means "exclusive or"

zarkon · Answer

ok

zarkon · Answer

$$\oplus$$

amistre64 · Answer

yeah, that thing :)