[AndrewC]

But you still maintain that it is intelligent to design arrowheads that will not function as arrowheads.

Fallacy of equiocation. Definitions 1 and 3.

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

in·tel·li·gent    Audio Help   /ɪnˈtɛlɪdʒənt/ Pronunciation Key - Show Spelled Pronunciation[in-tel-i-juhnt] Pronunciation Key - Show IPA Pronunciation

–adjective

1.	having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student.

2.	displaying or characterized by quickness of understanding, sound thought, or good judgment: an intelligent reply.

3.	having the faculty of reasoning and understanding; possessing intelligence: intelligent beings in outer space.

4.	Computers. pertaining to the ability to do data processing locally; smart: An intelligent terminal can edit input before transmission to a host computer. Compare dumb (def. 8).

5.	Archaic. having understanding or knowledge (usually fol. by of).

[AndrewC]

equiocation = equivocation

[tacticalogic]

You parse arguments the way liberals parse the Constitution.