Evaluate
WOLFRAM

DEMONSTRATIONS
PROJECT
Truth Tellers on Tuesdays
English
Slovene
question
1
click
the
days
to
answer
!
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
No
day
New
problem
A
,
B
,
and
C
always
lie
,
except
on
the
following
days
they
tell
the
truth
:
A
:
{
Monday
,
Tuesday
}
B
:
{
Monday
,
Tuesday
,
Wednesday
,
Thursday
}
C
:
{
Thursday
,
Friday
,
Saturday
}
On
what
days
of
the
week
it
is
possible
for
A
and
B
to
claim
:
A
:
I
lied
yesterday
.
B
:
I
lied
yesterday
,
too
.
Click
all
correct
days
or
'
No
day
'
to
answer
!
This Demonstration generates logical puzzles about three people, A, B, and C, who tell the truth on some days of the week and lie on the others.