Law of Identity/Technical Note

Technical Note on Law of Identity

When invoking the Law of Identity in a tableau proof, use the {{IdentityLaw}} template:

{{IdentityLaw|line|pool|depends|statement}}

or:

{{IdentityLaw|line|pool|depends|statement|comment}}

where:

line is the number of the line on the tableau proof where Law of Identity 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

depends is the line of the tableau proof upon which this line directly depends

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