ABSTRACT
Name_____________________________________
Read each syllogism carefully. Then decide whether the conclusion that follows is valid or invalid. Write “valid” or “invalid” next to each statement.
https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003236948/94c755ab-a467-4fc7-8832-6291ee6cfdb3/content/fig0038.tif"/>Since all mothers are parents, and all parents have children; therefore, all mothers have children. __________
Since all mothers are parents, and all parents have children, then all children have mothers. __________
If all cars go fast and my Ford is a car, then all cars are Fords. __________
If all cars go fast, and my Ford is a car, then my Ford goes fast. __________
Since all alligators are reptiles, and all dinosaurs are reptiles, then some dinosaurs are alligators. __________
If all dinosaurs are reptiles, and all alligators are reptiles, then some alligators are dinosaurs. __________
If all divers are athletes, and Ken is a diver, then Ken is an athlete. __________
If all divers are athletes, and Ken is a diver, then all athletes are divers. __________
All windows are made of glass, and some glass is transparent, so it follows that all glass is transparent. __________
Since all windows are made of glass, and some glass is transparent, then some windows are transparent. __________
If all jewelry is decorative, and necklaces are jewelry, then necklaces are decorative. __________
If some jewelry is decorative, and all necklaces are jewelry, then all necklaces are decorative. __________
