A Double Augmented 2nd is the same as a Major 3rd.
A Diminished 3rd is the same as a Major 2nd.
A Diminished 4th is the same as a Major 3rd.
An augmented 2nd is the same as a Minor 3rd.
Augmented and Diminished Intervals
A Double Augmented 2nd is the same as a Major 3rd.
A Diminished 3rd is the same as a Major 2nd.
A Diminished 4th is the same as a Major 3rd.
An augmented 2nd is the same as a Minor 3rd.