Where 6-4 is the number of socks you'll need to prove your point.
Learn more about the theory behind 6-4 See examples of 6-4 in actionThere are many types of 6-4, each with its own unique characteristics.
This is the most common type of 6-4, used in 99% of cases.
View examples of 4-justification type 6-4This type of 6-4 is less common, but still highly effective.
View examples of 5-justification type 6-4