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Mirrors > Home > ILE Home > Th. List > strslss | GIF version |
Description: Propagate component extraction to a structure 𝑇 from a subset structure 𝑆. (Contributed by Mario Carneiro, 11-Oct-2013.) (Revised by Jim Kingdon, 31-Jan-2023.) |
Ref | Expression |
---|---|
strss.t | ⊢ 𝑇 ∈ V |
strss.f | ⊢ Fun 𝑇 |
strss.s | ⊢ 𝑆 ⊆ 𝑇 |
strslss.e | ⊢ (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ) |
strss.n | ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆 |
Ref | Expression |
---|---|
strslss | ⊢ (𝐸‘𝑇) = (𝐸‘𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | strslss.e | . . 3 ⊢ (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ) | |
2 | strss.t | . . . 4 ⊢ 𝑇 ∈ V | |
3 | 2 | a1i 9 | . . 3 ⊢ (⊤ → 𝑇 ∈ V) |
4 | strss.f | . . . 4 ⊢ Fun 𝑇 | |
5 | 4 | a1i 9 | . . 3 ⊢ (⊤ → Fun 𝑇) |
6 | strss.s | . . . 4 ⊢ 𝑆 ⊆ 𝑇 | |
7 | 6 | a1i 9 | . . 3 ⊢ (⊤ → 𝑆 ⊆ 𝑇) |
8 | strss.n | . . . 4 ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆 | |
9 | 8 | a1i 9 | . . 3 ⊢ (⊤ → 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆) |
10 | 1, 3, 5, 7, 9 | strslssd 12475 | . 2 ⊢ (⊤ → (𝐸‘𝑇) = (𝐸‘𝑆)) |
11 | 10 | mptru 1362 | 1 ⊢ (𝐸‘𝑇) = (𝐸‘𝑆) |
Colors of variables: wff set class |
Syntax hints: ∧ wa 104 = wceq 1353 ⊤wtru 1354 ∈ wcel 2146 Vcvv 2735 ⊆ wss 3127 〈cop 3592 Fun wfun 5202 ‘cfv 5208 ℕcn 8892 ndxcnx 12426 Slot cslot 12428 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-13 2148 ax-14 2149 ax-ext 2157 ax-sep 4116 ax-pow 4169 ax-pr 4203 ax-un 4427 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1459 df-sb 1761 df-eu 2027 df-mo 2028 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ral 2458 df-rex 2459 df-v 2737 df-sbc 2961 df-un 3131 df-in 3133 df-ss 3140 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-uni 3806 df-br 3999 df-opab 4060 df-mpt 4061 df-id 4287 df-xp 4626 df-rel 4627 df-cnv 4628 df-co 4629 df-dm 4630 df-rn 4631 df-iota 5170 df-fun 5210 df-fv 5216 df-slot 12433 |
This theorem is referenced by: (None) |
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