Determine Whether the Following Symbolized Argument Is Valid or Invalid $\rarr$

question 40

Short Answer

Determine whether the following symbolized argument is valid or invalid.If invalid,provide a counterexample;if valid,construct a deduction.
(P $\rarr$ T)& S
S $\rarr$ T $\rarr$ R)
~R/ $\therefore$ ~T

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Definitions:

Ontario Savings Bonds

Debt securities issued by the Province of Ontario, offering investors a fixed return over a specific period.

Canada Savings Bonds

A type of savings bond issued by the Government of Canada, offering a fixed interest rate over a certain period.

Reduction Of

A decrease in amount, size, intensity, or the number of something, often referring to cost, price, or rates.

Increase

A rise in quantity, size, value, or extent.