Formal concept analysis is a data analysis method based on concept lattice. while decision implication and variable decision implication are two decision knowledge representations of formal concept analysis. Both decision implication and variable decision implication have complete inference rules for knowledge reasoning. In order to further clarify the differences between variable dec... https://ulkmvobw142wo.wikimeglio.com/9803276/trends_in_observed_surface_solar_radiation_and_their_causes_in_brazil_in_the_first_2_decades_of_the_21st_century