™
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™ or TM is an esolang that can do a Truth Machine (except type 4, which is basically a joke), created by User:None1.
Syntax
Type 1
There is only one valid program: ™, which is a Truth Machine.
Other programs raise a syntax error:
Syntax error
Type 2
There are only three valid programs:
™, which is a Truth Machine.©, which is a cat program.®, which is a reverse cat program.
Other programs raise a syntax error:
Syntax error
Type 3
There is only one valid program: an empty program, which is a Truth Machine.
Other programs raise a syntax error:
Syntax error
Type 4
Every program raises a syntax error:
Syntax error
It is obvious that type 4 is a Nope. derivative.
Type 5
Every program is a Truth Machine.
Type 6
Every program that isn't empty is a Truth Machine.
An empty program raises a syntax error:
Syntax error
Example Programs
Type 1
Truth Machine
™
Quine
Syntax error
Type 2
Cat Program
©
Reverse Cat Program
®
Truth Machine
™
Quine
Syntax error
Type 3
Truth Machine
The Truth Machine for type 3 is shorter than Truth Machine in any other language.
Quine
Syntax error
Type 4
Quine
Syntax error
Self interpreter
No matter what this is.
Self interpreter 2
Syntax error
Type 5
Truth Machine
Alternative
Hello World!
Type 6
Truth Machine
Truth Machine
Interpreters
The following interpreters are in Python.
Type 1
import sys
code=sys.stdin.read()
if code=='™':
x=input()
if x=='0':
print(0)
else:
while 1:
print(1)
else:
print('Syntax error')
Type 2
import sys
code=sys.stdin.read()
if code=='™':
x=input()
if x=='0':
print(0)
else:
while 1:
print(1)
else if code=='©':
print(sys.stdin.read())
else if code=='®':
a=input()
l=list(a)
l.reverse()
print(''.join(l))
else:
print('Syntax error')
Type 3
import sys
code=sys.stdin.read()
if code=='':
x=input()
if x=='0':
print(0)
else:
while 1:
print(1)
else:
print('Syntax error')
Type 4
print('Syntax error')
Type 5
import sys
code=sys.stdin.read()
if True:
x=input()
if x=='0':
print(0)
else:
while 1:
print(1)
else:
print('Syntax error') # Just kidding!
Type 6
import sys
code=sys.stdin.read()
if code:
x=input()
if x=='0':
print(0)
else:
while 1:
print(1)
else:
print('Syntax error')