On condition that the front body shape of the projectile is unchangeable,a formula is obtained for determining the relation between the optimum boattail angle and the supersonic flight region.
" 'God is a spirit, infinite, eternal and unchangeable, in His being, wisdom, power, holiness, justice, goodness, and truth, '" responded Anne promptly and glibly.
Now, neoliberal economic theory has sold itself to you as unchangeable natural law, when in fact it's social norms and constructed narratives based on pseudoscience.
The British leader said he wants the EU to make a clear and unchangeable agreement that ends his country's obligation to " work for an ever closer union."
The world of being is unchangeable, rigid, exact, delightful to the mathematician, the logician, the builder of metaphysical systems, and all who love perfection more than life.
And by the eternal Poles! these same Trades that so directly blow my good ship on; these Trades, or something like them—something so unchangeable, and full as strong, blow my keeled soul along!
But no sooner did he let it go than it jumped into the stream and swam back to its frightened companions in the corral, thus manifesting sheep-nature as unchangeable as gravitation.
If you change my mind then that will mean that I will believe that my mind is unchangeable, but if my mind is unchangeable, then you couldn't have changed my mind in the first place.
God did this so that, by two unchangeable things in which it is impossible for God to lie, we who have fled to take hold of the hope set before us may be greatly encouraged.