The Logical Fallacy of Is-Ought / Is-Ought Fallacy / Arguing From Is to Ought / Is-Should Fallacy / Hume's Law / Hume's Guillotine occurs when is statements are used as premises (for conclusions) that use ought statements as their basis, and no reason is given for the ought statements. The problem is that there is no logical way to get from descriptive statements to prescriptive statements. This is related to the naturalistic fallacy.
The problem is that there is no rational way to get from statements about what physically is to statements about what ought to be without Divine revelation.
"Nothing can be said to be wrong except for murder and rape."
