This view isn&#x27;t without criticism though.
<a href="http:&#x2F;&#x2F;www.alternativetech.com&#x2F;publications&#x2F;copper.pdf" rel="nofollow">http:&#x2F;&#x2F;www.alternativetech.com&#x2F;publications&#x2F;copper.pdf</a><p>Edit: &quot;Logicians have proved that a large class of MVLs are not truth-functionally complete[.] They have also proved that if such an MVL is made complete (for instance, by adding the Slupecki T-function), it becomes inconsistent! Therefore[,] we can have either truth-functional completeness or consistency, but not both.&quot;