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A valid syllogism in the first figure having a universal negative conclusion and these terms.
All ozone molecules are good absorbers of ultraviolet rays. All ozone molecules are things destroyed by chlorine.
No rent-control proposals are regulations welcomed by landlords, and all regulations welcomed by landlords are measures .
Some insects that feed on milkweed are not foods suitable for birds, inasmuch as no monarch butterflies are foods suitable for birds .
No undocumented individuals are people who have a right to welfare payments, and some migrant workers are undocumented individuals.
Some African nations are not countries deserving military aid, because some African nations are not upholders of human rights.
Write a professional business letter requesting from a former employer, me, another instructor, or any professional reference you choose.
No people identical to nuclear pacifists are people who believe a just war is possible.
All people identical to matadors are not performers who succumb easily to fear.
All companies identical to Google are looking forward to a bright future.
There are banks that engage in money laundering. Therefore, there are banks that do not engage in money laundering.
Military exercises are sometimes condemned by opponents. Therefore, any military exercise is condemned by opponents.
It is false that not a single charter school is an academic underperformer.
It is false that some pet lovers are people who think that animals are mere machines.
It is false that some graduate teaching assistants are not underpaid laborers.
Therefore, it is false that no housing projects are developments riddled with crime.
No flower gardens are creations that feature skunkweed. Therefore, it is false that all flower gardens are creations that feature skunkweed.
Some jobs in health care are not glamorous occupations. Therefore, some jobs in health care are glamorous occupations.
May a duty of care exist in the following circumstances?
It is false that some porcelain figurines are not fragile artifacts.
It is false that some jogging events are not aerobic activities.
No meat-eating vegetarians are individuals with a high-protein diet.
All Barbie dolls are toys that engender a false sense of values. Therefore, no Barbie dolls are toys that engender a true sense of values.
It is false that some international terrorists are political moderates.
It is false that all substances that control cell growth are hormones.