Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2021-05-31 14:35 4555798c

View on Github →

feat(topology/semicontinuous): semicontinuity of compositions (#7763)

Estimated changes

Modified src/topology/semicontinuous.lean

added theorem continuous.comp_lower_semicontinuous

added theorem continuous.comp_lower_semicontinuous_antimono

added theorem continuous.comp_lower_semicontinuous_on

added theorem continuous.comp_lower_semicontinuous_on_antimono

added theorem continuous.comp_upper_semicontinuous

added theorem continuous.comp_upper_semicontinuous_antimono

added theorem continuous.comp_upper_semicontinuous_on

added theorem continuous.comp_upper_semicontinuous_on_antimono

added theorem continuous_at.comp_lower_semicontinuous_at

added theorem continuous_at.comp_lower_semicontinuous_at_antimono

added theorem continuous_at.comp_lower_semicontinuous_within_at

added theorem continuous_at.comp_lower_semicontinuous_within_at_antimono

added theorem continuous_at.comp_upper_semicontinuous_at

added theorem continuous_at.comp_upper_semicontinuous_at_antimono

added theorem continuous_at.comp_upper_semicontinuous_within_at

added theorem continuous_at.comp_upper_semicontinuous_within_at_antimono