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| Mirrors > Home > MPE Home > Th. List > structex | Structured version Visualization version GIF version | ||
| Description: A structure is a set. (Contributed by AV, 10-Nov-2021.) |
| Ref | Expression |
|---|---|
| structex | ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brstruct 17214 | . 2 ⊢ Rel Struct | |
| 2 | 1 | brrelex1i 5716 | 1 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2142 Vcvv 3454 class class class wbr 5108 Struct cstr 17212 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-sep 5256 ax-pr 5403 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-br 5109 df-opab 5173 df-xp 5666 df-rel 5667 df-struct 17213 |
| This theorem is used by: setsn0fun 17239 setsstruct2 17240 strfv 17269 basprssdmsets 17287 opelstrbas 17288 edgfiedgval 29378 structgrssvtxlem 29384 setsiedg 29397 |
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