Look up what if in Wiktionary, the free dictionary.

What if? is a question that often is used in the context of:

• Counterfactual history
• Alternate history
• Uchronia

What If may refer to:

In literature:

• "What If—", a fantasy short story by Isaac Asimov
• What If? (essays), an anthology of counterfactual history essays
• What If (comics), several comic book series featuring alternate versions of the Marvel Comics universe
• What If...? (book), a science fiction anthology edited by Monica Hughes

In music:

• What If (album), an album by Dixie Dregs, or the title song
• What If... (album), an album by Burns Blue
• What If? (Emerson Drive album), or the title song
• What If (Tommy Shaw album), an album by Tommy Shaw
• "What If" (Creed song)
• "What If" (Reba McEntire song)
• "What If" (Kate Winslet song)
• "What If", a song by 112 from Pleasure & Pain
• "What If", a song by Aaliyah from Aaliyah
• "What If", a song by Adrienne Bailon from The Cheetah Girls: One World soundtrack album
• "What If", a song by Ashley Tisdale from Guilty Pleasure
• "What If", a song by Coldplay from X&Y
• "What If", a song by Emilie Autumn from Enchant
• "What If", a song by Ruben Studdard from Soulful
• "What If", a song by Simple Plan from Simple Plan

In business or science modeling:

• What-if analysis, or sensitivity analysis, the study of how model output varies with changes in input
• What if chart, a visual tool for modeling the outcome of a combination of different factors
• WHAT IF software, a molecular modeling and visualization package

[edit] See also

• All pages beginning with "What If"

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