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| Mirrors > Home > NFE Home > Th. List > df-ins3 | GIF version | ||
| Description: Define the third insertion operation. (Contributed by SF, 9-Feb-2015.) |
| Ref | Expression |
|---|---|
| df-ins3 | ⊢ Ins3 A = (A ⊗ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA | . . 3 class A | |
| 2 | 1 | cins3 5752 | . 2 class Ins3 A |
| 3 | cvv 2860 | . . 3 class V | |
| 4 | 1, 3 | ctxp 5736 | . 2 class (A ⊗ V) |
| 5 | 2, 4 | wceq 1642 | 1 wff Ins3 A = (A ⊗ V) |
| Colors of variables: wff setvar class |
| This definition is referenced by: otelins3 5793 ins3exg 5797 |
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