Chapter

 1 VII  |  mouth full of sandwich.~“The problem before us,” continued the
 2 VII  |      pressure of the gas. The problem, therefore, is this— What
 3 VIII |     have no fear of them. The problem before us is how to communicate
 4 XIX  |     You put before me a great problem, my worthy president,” replied
 5 XX   |       resolving the difficult problem proposed by Michel Ardan
 6 XXIV |   becomes an almost insoluble problem. And yet, notwithstanding
 7 II   |     The case was serious, the problem interesting, and one that
 8 IV   |       have made me solve that problem.”~“Because you do not know
 9 IV   |       all the elements of the problem, the distance from the center
10 IV   |   will be trying to solve the problem called ‘the problem of the
11 IV   |       the problem called ‘the problem of the three bodies,’ for
12 IV   |     all the conditions of the problem. The remainder is only a
13 IX   |     solution of his insoluble problem. Hours passed without any
14 XVI  | parabolical trajectory— a new problem which tormented Barbicane’
15 XVIII|     continued Barbicane. “The problem is a double one, and requires