# Rule of Conjunction/Proof Rule/Technical Note

## Technical Note on Rule of Conjunction

When invoking the Rule of Conjunction in a tableau proof, use the {{Conjunction}} template:

{{Conjunction|line|pool|statement|first|second}}

or:

{{Conjunction|line|pool|statement|first|second|comment}}

where:

line is the number of the line on the tableau proof where the Rule of Conjunction is to be invoked
pool is the pool of assumptions (comma-separated list)
statement is the statement of logic that is to be displayed in the Formula column, without the $...$ delimiters
first is the first of the two lines of the tableau proof upon which this line directly depends
second is the second of the two lines of the tableau proof upon which this line directly depends
comment is the (optional) comment that is to be displayed in the Notes column.