# Rule of Addition/Proof Rule/Technical Note

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## Technical Note on Rule of Addition

When invoking the **Rule of Addition** in a tableau proof, use the `{{Addition}}`

template:

`{{Addition|line|pool|statement|depend|1 or 2}}`

or:

`{{Addition|line|pool|statement|depend|1 or 2|comment}}`

where:

`line`

is the number of the line on the tableau proof where the Rule of Addition 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`depend`

is the line of the tableau proof upon which this line directly depends`1 or 2`

should hold 1 for Addition_1, and 2 for Addition_2`comment`

is the (optional) comment that is to be displayed in the**Notes**column.