Ideone.com | Online Prolog Interpreter & Debugging Tool

language:	Prolog (gnu) (gprolog-1.3.1)
date:	111 days 13 hours ago
link:
visibility:	public private user's deleted

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 even(N) :-  0 is mod(N,2).

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# 4 # 3 # 2 # 1

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# 4: hide show clone input 111 days 13 hours ago Success

result: Success time: 0.02s memory: 68352 kB returned value: 0
input:
```
even(5).
```
output:
```
GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz

no
```

# 3: show clone input 111 days 13 hours ago Success

input:

?-even(5)

output:

GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz
uncaught exception: error(syntax_error('user_input:1 (char:3) . or operator expected after expression'),read_term/3)

# 2: show clone input 111 days 13 hours ago Success

input:

even(5)

output:

GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz
uncaught exception: error(syntax_error('user_input:1 (char:8) . or operator expected after expression'),read_term/3)

# 1: hide show clone input 111 days 13 hours ago Success

result: Success time: 0.01s memory: 68352 kB returned value: 0
input:
```
even(4)
```
output:
```
GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz
uncaught exception: error(syntax_error('user_input:1 (char:8) . or operator expected after expression'),read_term/3)
```

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