In the following categorical proposition identify the quantifier. Some airport screeners are officials who harass frail grandmothers.

Identify the Venn diagram for the following proposition. All electric motors are machines that depend on magnetism.

Determine whether the following passage is an argument or a non-argument. Freedom of the press is the most important of our constitutionally guaranteed freedoms. Without it, our other freedoms would be immediately threatened. Furthermore, it provides the fulcrum for the advancement of new freedoms.

Using a Venn diagram, determine whether the following standard-form categorical syllogism is valid from the Boolean standpoint or invalid. All currently living dinosaurs are giant reptiles.All giant reptiles are ectothermic animals.Therefore, some ectothermic animals are currently living dinosaurs.

For the following list of premises, derive the indicated conclusion and complete the justification.  1.  S v H2.  B • E3.  R ⊃ G4.             ,       Simp

For the following list of premises, derive the indicated conclusion and complete the justification.  1.  (Q v K) • ~B2.  (M • R) ⊃ D3.  (W • S) v (G • F) 4.                ,       Simp

Use the first four rules of inference to derive the conclusion of the following symbolized argument: 1. F v (D ⊃ T)2. ~F3. D                       / T

Use the first eight rules of inference to derive the conclusion of the following symbolized argument: 1.  (C ⊃ N) • E2.  D v (N ⊃ D)3.  ~D                       / ~C v P

Determine whether the following symbolized argument is valid or invalid by constructing a truth table. R ⊃ RR

For the following lists of premises, derive the indicated conclusion and complete the justification.  1. ~(E ⊃ H)2. ~(N v G)3. ~A v D4.                            , DM