Or they may be different types belonging to a single genus, such as when he urinates, defecates, and eats camel meat. These are different types within one genus, namely minor ritual impurity.
Or they may be of different genera, such as when he urinates and experiences a wet dream. These are of different genera, because the first is minor ritual impurity and the second is major ritual impurity.
If he performs dry ablution and intends all these states of ritual impurity, it suffices. The evidence is the Prophet’s saying, peace and blessings be upon him: “Actions are only by intentions, and every person shall have only what he intended.” (1) Dry ablution is an act, and he has intended several states of ritual impurity by it; therefore, he has what he intended…
Or if there is impurity upon his body whose removal would harm him, or he lacks what would remove it…
His statement, “Or if there is impurity upon his body whose removal would harm him,” means, for example, that a drop of urine falls upon a fresh wound which he is unable to wash or wipe, because removing it would harm him. In that case, he performs dry ablution, according to the view that dry ablution may be performed in place of bodily impurity.
His statement, “Or he lacks what would remove it,” means, for example, that urine gets onto his body and he has no water with which to remove it, so he performs dry ablution.
The author’s words, “Or if there is impurity upon his body,” indicate that dry ablution is performed for impurity on the body when one is unable to remove it. As for impurity on one’s garment or on the place of prayer, dry ablution is not performed for it.
The correct view is that dry ablution is not performed in place of impurity at all, as has previously been explained. (2)
An example of impurity in the place of prayer is when a person is confined in an impure place