What is logical validity and how is validity determined in a formal argument

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I’m in a Logic class and this seems like a really simple concept but all the explanations given are so wordy that I can’t wrap my head around it.

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Anonymous 0 Comments

Logical and true are not the same thing when discussing formal logic.

In formal logic. The conclusion must be based on valid premises.

The premises do not have to be true.

All dogs are blue.
Juliette is a dog.
Therefore Juliette is blue.

That is a valid argument of formal logic. However the premise all dogs are blue isn’t true.

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