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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 17395 | . 2 ⊢ (𝐸‘𝑅) = (𝐸‘(𝑅 sSet 〈(+g‘ndx), 𝑆〉)) |
| 4 | setsplusg.o | . . 3 ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), 𝑆〉) | |
| 5 | 4 | fveq2i 6893 | . 2 ⊢ (𝐸‘𝑂) = (𝐸‘(𝑅 sSet 〈(+g‘ndx), 𝑆〉)) |
| 6 | 3, 5 | eqtr4i 2786 | 1 ⊢ (𝐸‘𝑅) = (𝐸‘𝑂) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ≠ wne 2955 〈cop 4834 ‘cfv 6543 (class class class)co 7424 sSet csts 17350 Slot cslot 17368 ndxcnx 17380 +gcplusg 17437 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5391 ax-un 7755 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-res 5663 df-iota 6497 df-fun 6545 df-fv 6551 df-ov 7427 df-oprab 7428 df-mpo 7429 df-sets 17351 df-slot 17369 |
| This theorem is used by: oppgbas 19574 oppgtset 19575 oppgle 19590 mgpbas 20374 mgpsca 20375 mgptset 20376 mgpds 20378 |
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