| Once again, verification of space mines would be difficult if it were demanded to confirm nonexistence. |
| Another difficulty is the question of the existence or nonexistence of the western towers. |
| We show that nonexistence theorems for continuous surjections between continua and related results extend to almost continuous functions. |
| Apart from the wording and creation of a legal fiction, no significant practical differences between nullity and nonexistence can be identified. |
| The world has too long been imposed upon by ridiculous attempts to vilify atheists, and show their nonexistence. |
| A medical examination in 1883 revealed the nonexistence of piles and the presence of hernia. |
