gyakkan
1. (logical) inversion
Noun
1. (logical) inversion
1. Was exchanged.; Was converted.
1. Was not exchanged.; Was not converted.
1. Inverse transformation; Reciprocal conversion
1. Was converted back; Was reversed
1. It's not a conversion.; It's not an exchange.
1. It is not a conversion.; It's not an exchange.
1. If/when converted; If/when reversed
1. Wasn't reversed.; Wasn't converted.
1. Is not reciprocal.; Is not interchangeable.