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CLASSICAL FIRST-ORDER LOGIC WITH EQUALITY
Propositional calculus
Logical implication
com5r
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Theorem
com5r
Description:
Commutation of antecedents. Rotate right.
(Contributed by
Wolf Lammen
, 29-Jul-2012)
Ref
Expression
Hypothesis
com5.1
⊢
φ
→
ψ
→
χ
→
θ
→
τ
→
η
Assertion
com5r
⊢
τ
→
φ
→
ψ
→
χ
→
θ
→
η
Proof
Step
Hyp
Ref
Expression
1
com5.1
⊢
φ
→
ψ
→
χ
→
θ
→
τ
→
η
2
1
com52l
⊢
χ
→
θ
→
τ
→
φ
→
ψ
→
η
3
2
com52l
⊢
τ
→
φ
→
ψ
→
χ
→
θ
→
η