the GNU version of the Collaborative International Dictionary of English
n. Logicalness.
The Century Dictionary and Cyclopedia
n. The quality of being logical; correctness or consistency of reasoning; logicalness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. correct and valid reasoning
Word Usage
"In the next section, where various applications of plural quantification will be discussed, I will carefully note which strains of the notion of logicality our theories PFO and PFO+ must possess for the various applications of them to succeed."