See all of valid, there are 2 more in this node.
|sound||It was hormones, it was hormones, but it was valid||credit card validation||Soundness & Validity in Logic|
|Informal fallacy||inquorate||fsync||Super Saiyan|
|Critique of Objectivism||well formed||premise||DTD|
|coherent||E2 Annex||Helicopter Underwater Escape Training||George W. Bush's 2005 State of the Union Address|
|Capitals of the World||Standard Diplomacy notation||First Day Cover||Cartesian circle|
|Goodman's New Riddle of Induction||Mr Product's and Mrs Sum's Quiz|