<s>
A	O
formula	B-Application
game	I-Application
is	O
an	O
artificial	O
game	O
represented	O
by	O
a	O
fully	O
quantified	O
Boolean	O
formula	O
.	O
</s>
<s>
If	O
a	O
variable	O
is	O
existentially	B-Algorithm
quantified	I-Algorithm
,	O
the	O
formula	O
following	O
it	O
has	O
the	O
same	O
truth	O
value	O
as	O
the	O
formula	O
beginning	O
with	O
the	O
existential	B-Algorithm
quantifier	I-Algorithm
for	O
at	O
least	O
one	O
move	O
available	O
at	O
the	O
turn	O
.	O
</s>
