What is deduction in finance math

In mathematical logic, a deduction theorem is a meta theorem that justifies doing conditional proofs — to prove an implication A → B, assume A as a hypothesis and then proceed to derive B — in systems that do not have an explicit inference rule for this.

Step-by-step explanation:

For example to solve 2x = 6 for x we divide both sides by 2 to get 2x/2 = 6/2 or x = 3. What we know or assume is that 2x = 6 and that you can divide both sides of an equation by any non-zero number and the equation is still valid. From these two facts we deduce that x = 3. This is the type of reasoning we use in almost every step in a mathematical argument.

step-by-step explanation:

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