implementation of if_/3

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Hello,

Is there an implementation of if_/3 for gnu prolog?

https://stackoverflow.com/questions/39833370/what-use-does-if-3-have

How do I start using if_/3 in gnu prolog?

Daniel

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<div dir=3D"ltr"><div>Hello,</div><div><br></div><div>Is there an implement=
ation of if_/3 for gnu prolog?</div><div><br></div><div><a href=3D"https://=
stackoverflow.com/questions/39833370/what-use-does-if-3-have">https://stack=
overflow.com/questions/39833370/what-use-does-if-3-have</a></div><div><br><=
/div><div>How do I start using=20
if_/3 in gnu prolog?</div><div><br></div><div>Daniel</div><div><br></div></=
div>

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