PROOF 111
Prove.
If AB = 0, then A = 0 or B = 0
On a field.
Definition D1
The multiplicative inverse of a is the element a⁻¹ satisfying a·a⁻¹ = 1.
Proof.
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PROOF 111
If AB = 0, then A = 0 or B = 0
On a field.
Definition D1
The multiplicative inverse of a is the element a⁻¹ satisfying a·a⁻¹ = 1.
Proof.
Related labs