An owner of a horse who gives birth also owns the foal (i.e., the baby horse) under the doctrine of .

If one tenant in common takes action that necessarily excludes from the property the other tenant in common, that is called .

A landlord whose tenant has failed to pay rent on an apartment for two months may change the locks and bar the windows so long as the landlord does so when the tenant is not home to ensure that no violent conflict will occur during the lockout.

A future interest of a grantee whose identity is ascertained that is certain to become possessory upon the termination of the prior estate is called a:

Slant drilling for oil constitutes a trespass.

To obtain an injunction, a party must show: (1) harm or injury; (2) would be inadequate; (3) the justifies an injunction; and (4) the will not be disserved. 

A way by necessity requires all of these except which one:

A life estate is followed by either a or .

A succession of life estates by descent is called a .

Under Hinman v. Pacific Air Transport, two owners who hold adjacent parcels of land will have different airspace rights if the structures on the parcels are of different height or usage.