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| Mirrors > Home > MPE Home > Th. List > setsplusg | Structured version Visualization version GIF version | ||
| Description: The other components of an extensible structure remain unchanged if the +g component is set/substituted. (Contributed by Stefan O'Rear, 26-Aug-2015.) Generalisation of the former oppglem and mgplem. (Revised by AV, 18-Oct-2024.) |
| Ref | Expression |
|---|---|
| setsplusg.o | ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), 𝑆〉) |
| setsplusg.e | ⊢ 𝐸 = Slot (𝐸‘ndx) |
| setsplusg.i | ⊢ (𝐸‘ndx) ≠ (+g‘ndx) |
| Ref | Expression |
|---|---|
| setsplusg | ⊢ (𝐸‘𝑅) = (𝐸‘𝑂) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | setsplusg.e | . . 3 ⊢ 𝐸 = Slot (𝐸‘ndx) | |
| 2 | setsplusg.i | . . 3 ⊢ (𝐸‘ndx) ≠ (+g‘ndx) | |
| 3 | 1, 2 | setsnid 17430 | . 2 ⊢ (𝐸‘𝑅) = (𝐸‘(𝑅 sSet 〈(+g‘ndx), 𝑆〉)) |
| 4 | setsplusg.o | . . 3 ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), 𝑆〉) | |
| 5 | 4 | fveq2i 6919 | . 2 ⊢ (𝐸‘𝑂) = (𝐸‘(𝑅 sSet 〈(+g‘ndx), 𝑆〉)) |
| 6 | 3, 5 | eqtr4i 2789 | 1 ⊢ (𝐸‘𝑅) = (𝐸‘𝑂) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ≠ wne 2959 〈cop 4840 ‘cfv 6566 (class class class)co 7451 sSet csts 17385 Slot cslot 17403 ndxcnx 17415 +gcplusg 17472 |
| 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-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 ax-un 7783 |
| 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-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 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 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-res 5670 df-iota 6520 df-fun 6568 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-sets 17386 df-slot 17404 |
| This theorem is used by: oppgbas 19616 oppgtset 19617 oppgle 19632 mgpbas 20416 mgpsca 20417 mgptset 20418 mgpds 20420 |
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