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Mirrors > Home > LLPE Home > Th. List > ax-numc | Structured version |
Description: Commutation of ν into ⊗. Note that x can only be bound in one factor. |
Ref | Expression |
---|---|
ax-numc | ⊦ (νx(𝜑 ⊗ νx𝜓) ⧟ (νx𝜑 ⊗ νx𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wph | . . . 4 wff 𝜑 | |
2 | wps | . . . . 5 wff 𝜓 | |
3 | vx | . . . . 5 var x | |
4 | 2, 3 | wnu 206 | . . . 4 wff νx𝜓 |
5 | 1, 4 | wmc 105 | . . 3 wff (𝜑 ⊗ νx𝜓) |
6 | 5, 3 | wnu 206 | . 2 wff νx(𝜑 ⊗ νx𝜓) |
7 | 1, 3 | wnu 206 | . . 3 wff νx𝜑 |
8 | 7, 4 | wmc 105 | . 2 wff (νx𝜑 ⊗ νx𝜓) |
9 | 6, 8 | wlb 55 | 1 wff (νx(𝜑 ⊗ νx𝜓) ⧟ (νx𝜑 ⊗ νx𝜓)) |
Colors of variables: wff var nilad |
This axiom is referenced by: (None) |
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