# Deductive Reasoning Flashcards, test questions and answers

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## What is Deductive Reasoning?

Deductive reasoning is a form of logical inference that moves from general principles to specific conclusions. It has been used throughout history in mathematics, science, and philosophy to solve problems and draw meaningful conclusions. Deductive reasoning is a method of reasoning that works by deriving specific conclusions from general premises or facts. This type of logical thinking starts with general observations then applies them to the specific situation being discussed. The validity of deductive reasoning depends on the accuracy of the initial premises, making it important to use accurate data when making deductions.In mathematics, deductive reasoning is used to prove mathematical hypotheses or arrive at certain mathematical results. Deduction starts with an assumption (the hypothesis) which is then tested using axioms and previously proven statements (theorems). If all these assumptions and conditions are met, then the conclusion holds true for all cases where those conditions are satisfied. For example, Euclidean geometry relies heavily on deductive proof in order to arrive at its results about shapes and angles in space.In science, deduction is used as a tool for understanding the world around us by forming hypotheses based on existing evidence and testing them against further observations or experiments. Scientists use both inductive (from observed facts to a general conclusion) and deductive (from a given premise towards an answer) methods to create theories about natural phenomena that can be tested through observation or experimentally manipulated variables such as temperature or pressure levels. For example, physicists often use deduction when studying subatomic particles like electrons; they start with some basic laws about their behavior then deduce other properties such as their speed or mass from these basic laws using mathematical equations derived from experiments done in labs around the world. In philosophy, deduction can be used for interpreting texts by considering what has already been established about an author’s beliefs before arriving at any new ideas or theories based off this information alone. This type of thinking enables us to gain insight into how authors view certain topics while also helping us connect various philosophical concepts together in unique ways so we can better understand them overall; this makes it especially useful when analyzing complex philosophical texts since it allows us to break down large sections into smaller parts which may reveal additional meaning within each part itself once we have made our deductions based off what was already known beforehand.