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| Mirrors > Home > MPE Home > Th. List > Mathboxes > wredundp | Structured version Visualization version GIF version | ||
| Description: Extend wff definition to include the redundancy operator for propositions. | 
| Ref | Expression | 
|---|---|
| wph | wff 𝜑 | 
| wps | wff 𝜓 | 
| wch | wff 𝜒 | 
| Ref | Expression | 
|---|---|
| wredundp | wff redund (𝜑, 𝜓, 𝜒) | 
| Colors of variables: wff setvar class | 
| Copyright terms: Public domain | W3C validator |