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Mirrors > Home > MPE Home > Th. List > ltneii | Structured version Visualization version GIF version |
Description: 'Greater than' implies not equal. (Contributed by Mario Carneiro, 16-Sep-2015.) |
Ref | Expression |
---|---|
lt.1 | ⊢ 𝐴 ∈ ℝ |
ltneii.2 | ⊢ 𝐴 < 𝐵 |
Ref | Expression |
---|---|
ltneii | ⊢ 𝐴 ≠ 𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lt.1 | . . 3 ⊢ 𝐴 ∈ ℝ | |
2 | ltneii.2 | . . 3 ⊢ 𝐴 < 𝐵 | |
3 | 1, 2 | gtneii 11087 | . 2 ⊢ 𝐵 ≠ 𝐴 |
4 | 3 | necomi 2998 | 1 ⊢ 𝐴 ≠ 𝐵 |
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