(2) the velocity of light is constant (identical in the moving and stationary world), and have obtained formulae for a world with one space dimension which are more general than Lorentz 's transformations...
(2) ang bilis ng ilaw ay pare-pareho (magkapareho sa paglipat at galaw mundo), at may nakuha formulae para sa isang mundo na may isang space sukat na mas pangkalahatang kaysa sa Lorentz 's transformations...