Rule of Explosion/Sequent Form
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Theorem
The Rule of Explosion can be symbolised by the sequent:
- $\bot \vdash \phi$
Proof
By the tableau method of natural deduction:
Line | Pool | Formula | Rule | Depends upon | Notes | |
---|---|---|---|---|---|---|
1 | 1 | $\bot$ | Premise | (None) | ||
2 | 1 | $\phi$ | Rule of Explosion: $\bot \EE$ | 1 |
$\blacksquare$