| toy theory | has definition A theory which is known to be too simple to describe reality, but which is nonetheless useful for theorists to study because it incorporates some important features of reality. For example, most of what is known about magnetic monopoles in grand unified theories was discovered first in a toy theory that includes only three Higgs fields, while the simplest realistic grand unified theory includes twenty-four of them. |  |
| is a kind of theory | |
| theory | has validity correct or incorrect with caveats | |
| has author or reasearch group | |
| has domain a field of research | |
| has date or a range of dates for which the theory was active | |
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