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7-10
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peihongx committed Feb 4, 2023
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23 changes: 5 additions & 18 deletions Project-1/README.md
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Expand Up @@ -188,8 +188,6 @@ Answer:

(a) ∀x∀y(¬(Px ∧ Qx) → (¬Px ∨ ¬Qx)) is valid.

flowchart TB

1.¬∀x∀y(¬(Px ∧ Qx) → (¬Px ∨ ¬Qx))

2.¬∀y(¬(Pa ∧ Qa) → (¬Pa ∨ ¬Qa))(1)
Expand All @@ -210,33 +208,22 @@ flowchart TB

10.¬Pa(4)
x

11.¬Qa(4)
x

```mermaid
flowchart TB
A --> C
A --> D
B --> C
B --> D
```




```mermaid
flowchart TB
A --> C
A --> C
A --> D
B --> C
B --> D
```

```mermaid
flowchart TD;
A-->B;
A-->C;
B-->D;
C-->D;
```




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