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[Commentary:
Difference tables showing some possible variations of increasing (c) and decreasing (d) columns.
The charts on the right hand side show the sign patterns for each column.
For further examples see page 8 of the 'Magisteria' (Add MS f. ). ]
The charts on the right hand side show the sign patterns for each column.
For further examples see page 8 of the 'Magisteria' (Add MS f. ). ]