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| Mirrors > Home > MPE Home > Th. List > Mathboxes > eltrans | Structured version Visualization version GIF version | ||
| Description: Membership in the class of all transitive sets. (Contributed by Scott Fenton, 31-Mar-2012.) |
| Ref | Expression |
|---|---|
| eltrans.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| eltrans | ⊢ (𝐴 ∈ Trans ↔ Tr 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-trans 36049 | . . 3 ⊢ Trans = (V ∖ ran (( E ∘ E ) ∖ E )) | |
| 2 | 1 | eleq2i 2828 | . 2 ⊢ (𝐴 ∈ Trans ↔ 𝐴 ∈ (V ∖ ran (( E ∘ E ) ∖ E ))) |
| 3 | eltrans.1 | . . 3 ⊢ 𝐴 ∈ V | |
| 4 | 3 | dftr6 35945 | . 2 ⊢ (Tr 𝐴 ↔ 𝐴 ∈ (V ∖ ran (( E ∘ E ) ∖ E ))) |
| 5 | 2, 4 | bitr4i 278 | 1 ⊢ (𝐴 ∈ Trans ↔ Tr 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∈ wcel 2113 Vcvv 3440 ∖ cdif 3898 Tr wtr 5205 E cep 5523 ran crn 5625 ∘ ccom 5628 Trans ctrans 36025 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-tr 5206 df-eprel 5524 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-trans 36049 |
| This theorem is referenced by: dfon3 36084 |
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