| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 17231 | . 2 ⊢ (⊤ → (𝐸‘𝑇) = (𝐸‘𝑆)) |
| 11 | 10 | mptru 1566 | 1 ⊢ (𝐸‘𝑇) = (𝐸‘𝑆) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1559 ⊤wtru 1560 ∈ wcel 2141 Vcvv 3453 ⊆ wss 3902 〈cop 4585 Fun wfun 6509 ‘cfv 6515 Slot cslot 17207 ndxcnx 17219 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pr 5387 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5538 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-iota 6471 df-fun 6517 df-fv 6523 df-slot 17208 |
| This theorem is referenced by: grpss 18986 |
| Copyright terms: Public domain | W3C validator |