Appeal to probability

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An appeal to probability (or appeal to possibility, also known as possibiliter ergo probabiliter, "possibly, therefore probably") is the logical fallacy of taking something for granted because it is possibly the case.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters".Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". The fact that an event is possible does not imply that the event is probable, nor that the event was realized.

Example

A fallacious appeal to possibility:

If it can happen (premise)Script error: No such module "Check for unknown parameters"..
It will happen. (invalid conclusion)Script error: No such module "Check for unknown parameters".
Something can go wrong (premise)Script error: No such module "Check for unknown parameters"..
Therefore, something will go wrong (invalid conclusion)Script error: No such module "Check for unknown parameters"..
If I do not bring my umbrella (premise)Script error: No such module "Check for unknown parameters".
It will rain. (invalid conclusion)Script error: No such module "Check for unknown parameters"..

Murphy's law is a (typically deliberate, tongue-in-cheek) invocation of the fallacy.Script error: No such module "Unsubst".

See also

References

Notes

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Bibliography

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Template:Formal fallacy