A textbook on logic helped bring Bill Belichick and Jordon Hudson together ... and the man who wrote it tells TMZ Sports he couldn't be happier!!
We broke the story ... the literary piece -- titled "Deductive Logic" -- was what first drew Belichick to Hudson way back in 2021 -- when they had their initial encounter on a plane ride from the Boston area to Florida.
LAYING THE GROUNDWORK TMZSports.