Necromancy is a spell that use negative energy, spells learned by clerics of life use positive energy (and there is a exclusive spell from clerics that is from necromancy school)

So, Would a cleric of life lose his spells because used/use necromancy?

Necromancy is a spell that uses negative energy. Spells learned by clerics of life use positive energy (and there is a exclusive spell from clerics that is from the necromancy school).

So, would a cleric of life lose his spells because they used/use necromancy?