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Mirrors > Home > LLPE Home > Th. List > itopi | Structured version |
Description: Insert Top into With. Inverse of etopi 42. |
Ref | Expression |
---|---|
itopi.1 | ⊦ 𝜑 |
Ref | Expression |
---|---|
itopi | ⊦ (𝜑 & ⊤) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | itopi.1 | . 2 ⊦ 𝜑 | |
2 | ax-init 7 | . . 3 ⊦ (~ 𝜑 ⅋ 𝜑) | |
3 | ax-top 31 | . . 3 ⊦ (~ 𝜑 ⅋ ⊤) | |
4 | 2, 3 | ax-iac 32 | . 2 ⊦ (~ 𝜑 ⅋ (𝜑 & ⊤)) |
5 | 1, 4 | cut1 10 | 1 ⊦ (𝜑 & ⊤) |
Colors of variables: wff var nilad |
Syntax hints: ⊤wtop 29 & wac 30 |
This theorem was proved from axioms: ax-ibot 4 ax-ebot 5 ax-cut 6 ax-init 7 ax-top 31 ax-iac 32 |
This theorem is referenced by: (None) |
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