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| Mirrors > Home > MPE Home > Th. List > strss | Structured version Visualization version GIF version | ||
| Description: Propagate component extraction to a structure 𝑇 from a subset structure 𝑆. (Contributed by Mario Carneiro, 11-Oct-2013.) (Revised by Mario Carneiro, 15-Jan-2014.) |
| Ref | Expression |
|---|---|
| strss.t | ⊢ 𝑇 ∈ V |
| strss.f | ⊢ Fun 𝑇 |
| strss.s | ⊢ 𝑆 ⊆ 𝑇 |
| strss.e | ⊢ 𝐸 = Slot (𝐸‘ndx) |
| strss.n | ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆 |
| Ref | Expression |
|---|---|
| strss | ⊢ (𝐸‘𝑇) = (𝐸‘𝑆) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | strss.e | . . 3 ⊢ 𝐸 = Slot (𝐸‘ndx) | |
| 2 | strss.t | . . . 4 ⊢ 𝑇 ∈ V | |
| 3 | 2 | a1i 11 | . . 3 ⊢ (⊤ → 𝑇 ∈ V) |
| 4 | strss.f | . . . 4 ⊢ Fun 𝑇 | |
| 5 | 4 | a1i 11 | . . 3 ⊢ (⊤ → Fun 𝑇) |
| 6 | strss.s | . . . 4 ⊢ 𝑆 ⊆ 𝑇 | |
| 7 | 6 | a1i 11 | . . 3 ⊢ (⊤ → 𝑆 ⊆ 𝑇) |
| 8 | strss.n | . . . 4 ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆 | |
| 9 | 8 | a1i 11 | . . 3 ⊢ (⊤ → 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆) |
| 10 | 1, 3, 5, 7, 9 | strssd 17243 | . 2 ⊢ (⊤ → (𝐸‘𝑇) = (𝐸‘𝑆)) |
| 11 | 10 | mptru 1546 | 1 ⊢ (𝐸‘𝑇) = (𝐸‘𝑆) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1539 ⊤wtru 1540 ∈ wcel 2107 Vcvv 3479 ⊆ wss 3950 〈cop 4631 Fun wfun 6554 ‘cfv 6560 Slot cslot 17219 ndxcnx 17231 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-sep 5295 ax-nul 5305 ax-pr 5431 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-ral 3061 df-rex 3070 df-rab 3436 df-v 3481 df-dif 3953 df-un 3955 df-in 3957 df-ss 3967 df-nul 4333 df-if 4525 df-sn 4626 df-pr 4628 df-op 4632 df-uni 4907 df-br 5143 df-opab 5205 df-mpt 5225 df-id 5577 df-xp 5690 df-rel 5691 df-cnv 5692 df-co 5693 df-dm 5694 df-iota 6513 df-fun 6562 df-fv 6568 df-slot 17220 |
| This theorem is referenced by: grpss 18973 |
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