[ Tub Npis ] yog: [ Lub Hom Phiaj ] lossis: [ Lub Hom Phiaj ]

☞ x ≔ ( 1 > 2 ) yog: ‘Y’ lossis: ‘N’.
☞ y ≔ ( 2 > 1 ) yog: ‘Y’ lossis: ‘N’.
✎ sau ntawv: x, tsum.
✎ sau ntawv: y, tsum.
N
Y