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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cznrnglem | Structured version Visualization version GIF version | ||
| Description: Lemma for cznrng 49085: The base set of the ring constructed from a ℤ/nℤ structure by replacing the (multiplicative) ring operation by a constant operation is the base set of the ℤ/nℤ structure. (Contributed by AV, 16-Feb-2020.) |
| Ref | Expression |
|---|---|
| cznrng.y | ⊢ 𝑌 = (ℤ/nℤ‘𝑁) |
| cznrng.b | ⊢ 𝐵 = (Base‘𝑌) |
| cznrng.x | ⊢ 𝑋 = (𝑌 sSet 〈(.r‘ndx), (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ 𝐶)〉) |
| Ref | Expression |
|---|---|
| cznrnglem | ⊢ 𝐵 = (Base‘𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cznrng.b | . 2 ⊢ 𝐵 = (Base‘𝑌) | |
| 2 | baseid 17296 | . . 3 ⊢ Base = Slot (Base‘ndx) | |
| 3 | basendxnmulrndx 17373 | . . 3 ⊢ (Base‘ndx) ≠ (.r‘ndx) | |
| 4 | 2, 3 | setsnid 17292 | . 2 ⊢ (Base‘𝑌) = (Base‘(𝑌 sSet 〈(.r‘ndx), (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ 𝐶)〉)) |
| 5 | cznrng.x | . . . 4 ⊢ 𝑋 = (𝑌 sSet 〈(.r‘ndx), (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ 𝐶)〉) | |
| 6 | 5 | eqcomi 2774 | . . 3 ⊢ (𝑌 sSet 〈(.r‘ndx), (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ 𝐶)〉) = 𝑋 |
| 7 | 6 | fveq2i 6888 | . 2 ⊢ (Base‘(𝑌 sSet 〈(.r‘ndx), (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ 𝐶)〉)) = (Base‘𝑋) |
| 8 | 1, 4, 7 | 3eqtri 2792 | 1 ⊢ 𝐵 = (Base‘𝑋) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 〈cop 4597 ‘cfv 6540 (class class class)co 7419 ∈ cmpo 7421 sSet csts 17247 ndxcnx 17277 Basecbs 17293 .rcmulr 17335 ℤ/nℤczn 21704 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 ax-pre-mulgt0 11194 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-sub 11460 df-neg 11461 df-nn 12251 df-2 12320 df-3 12321 df-sets 17248 df-slot 17266 df-ndx 17278 df-base 17294 df-mulr 17348 |
| This theorem is used by: cznrng 49085 cznnring 49086 |
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