Wikipedia is not a credible source, and this is why:
BibleGateway.com - Keyword*Search: adultery
Exodus 20:14
As the commandments were addressed to
everyone and there is nothing in this commandment to even
suggest that it only applies to women, the probation applies to men also.
Leviticus 20:10
Here we see that men are punished for committing adultery, therefore the prohibition on adultery did not apply only to women.
Other examples include:
Proverbs 6:32
Jeremiah 29:23
This one is very strong in my mind day to day:
Matthew 5:28
According to Jesus in this passage, a man commits adultery when he lusts after a woman just by looking at her. Jesus further teaches that men should not do this.
Matthew 5:32
In this example, if you marry a woman who was not divorced because her husband died or committed adultery, you, the new husband, are committing adultery with your new wife.
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I hope this clarifies the issue.