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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-goan | Structured version Visualization version GIF version |
Description: Define the Godel-set of conjunction. Here the arguments 𝑈 and 𝑉 are also Godel-sets corresponding to smaller formulas. (Contributed by Mario Carneiro, 14-Jul-2013.) |
Ref | Expression |
---|---|
df-goan | ⊢ ∧𝑔 = (𝑢 ∈ V, 𝑣 ∈ V ↦ ¬𝑔(𝑢⊼𝑔𝑣)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cgoa 33108 | . 2 class ∧𝑔 | |
2 | vu | . . 3 setvar 𝑢 | |
3 | vv | . . 3 setvar 𝑣 | |
4 | cvv 3408 | . . 3 class V | |
5 | 2 | cv 1542 | . . . . 5 class 𝑢 |
6 | 3 | cv 1542 | . . . . 5 class 𝑣 |
7 | cgna 33009 | . . . . 5 class ⊼𝑔 | |
8 | 5, 6, 7 | co 7213 | . . . 4 class (𝑢⊼𝑔𝑣) |
9 | 8 | cgon 33107 | . . 3 class ¬𝑔(𝑢⊼𝑔𝑣) |
10 | 2, 3, 4, 4, 9 | cmpo 7215 | . 2 class (𝑢 ∈ V, 𝑣 ∈ V ↦ ¬𝑔(𝑢⊼𝑔𝑣)) |
11 | 1, 10 | wceq 1543 | 1 wff ∧𝑔 = (𝑢 ∈ V, 𝑣 ∈ V ↦ ¬𝑔(𝑢⊼𝑔𝑣)) |
Colors of variables: wff setvar class |
This definition is referenced by: (None) |
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