Logique

Rx
(x > 0x < 1) x= 0
x > 3x < 5x6= 4
(x≤0x > 1) x= 4
x≥0 =⇒x≥2
P Q R
P(Q R)∼(P Q) (P R)
(P=⇒Q)∼P(Q)

[0 ; 1[
]3 ; 4[ ∪]4 ; 5[
{4}
]−∞ ; 0[ ∪[2 ; +∞[
P v v v v f f f f
Q v v f f v v f f
R v f v f v f v f
v v v v v f f f
P v v f f
Q v f v f
f v f f