User contributions
- 15:25, 28 August 2015 (diff | hist) . . (+157) . . 1570: Engineer Syllogism (Adding detail and accuracy)
- 15:21, 28 August 2015 (diff | hist) . . (+202) . . 1570: Engineer Syllogism (→Explanation)
- 14:42, 28 August 2015 (diff | hist) . . (+441) . . Talk:1570: Engineer Syllogism