The contrary of the proposition "All Dogs are not cats" is_______________
The sub-altern of the proposition "Some artists are commercial-artists" is______________
What is the contradiction of the the proposition whose sub-altern is some juices are sweet?
What is the sub-contrary of the sub-altern of the proposition "All hard workers are hard earners?"
What is the contradiction of the contrary of the proposition "All technologies are constantly changing?"
What is the sub-altern of the contradiction of "All thieves are criminals?"
What is the contradiction of "All Filipinos are worth dying for?"
What is the sub-altern of the sub-contrary of some heroes are brave?
What is the contrary of the sub-altern of some parents are responsible?
What is the sub-altern of the contrary of "All logicians are not stupid?"