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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 17352 | . 2 ⊢ Rel Struct | |
| 2 | 1 | brrelex1i 5711 | 1 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 Vcvv 3454 class class class wbr 5106 Struct cstr 17350 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-sep 5252 ax-pr 5395 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-br 5107 df-opab 5171 df-xp 5661 df-rel 5662 df-struct 17351 |
| This theorem is used by: setsn0fun 17377 setsstruct2 17378 strfv 17407 basprssdmsets 17425 opelstrbas 17426 edgfiedgval 29622 structgrssvtxlem 29628 setsiedg 29641 ishfstruct 46224 |
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