Ttransaction validation in the bitcoin blockchain

Ttransaction validation in the bitcoin blockchain

I am confused. What is exactly a validation of transaction in the bitcoin block chain? Please correct me if I am wrong.

I know we need 6 minner to validate our transaction and those 6 minner check whether we did the transaction or not and after that if they verify that we have done the transaction then our transaction goes to the memory pool and after that minners will try to put our transaction in the new block that they are creating to add in the bitcoin blockchain.

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