$"$In logic, a valid conjunction requires $"$

"The use of $"\text{'}$and$"\text{'}"$ or $"\text{'}$but$"\text{'}$ or $"\text{'}$then$"\text{'}"\text{'}$

"Two simpler arguments joined with $"\text{'}$and$"\text{'}"$

"Two simpler arguments joined with $"\text{'}$or$""\text{'}"$

Any two things that can be joined together to form a more complex argument