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| Mirrors > Home > MPE Home > Th. List > estrreslem1 | Structured version Visualization version GIF version | ||
| Description: Lemma 1 for estrres 18094. (Contributed by AV, 14-Mar-2020.) (Proof shortened by AV, 28-Oct-2024.) |
| Ref | Expression |
|---|---|
| estrres.c | ⊢ (𝜑 → 𝐶 = {〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉}) |
| estrres.b | ⊢ (𝜑 → 𝐵 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| estrreslem1 | ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | estrres.c | . . 3 ⊢ (𝜑 → 𝐶 = {〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉}) | |
| 2 | 1 | fveq2d 6833 | . 2 ⊢ (𝜑 → (Base‘𝐶) = (Base‘{〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉})) |
| 3 | baseid 17171 | . . 3 ⊢ Base = Slot (Base‘ndx) | |
| 4 | tpex 7689 | . . . 4 ⊢ {〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉} ∈ V | |
| 5 | 4 | a1i 11 | . . 3 ⊢ (𝜑 → {〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉} ∈ V) |
| 6 | 3, 5 | strfvnd 17144 | . 2 ⊢ (𝜑 → (Base‘{〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉}) = ({〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉}‘(Base‘ndx))) |
| 7 | fvexd 6844 | . . 3 ⊢ (𝜑 → (Base‘ndx) ∈ V) | |
| 8 | estrres.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑉) | |
| 9 | slotsbhcdif 17367 | . . . 4 ⊢ ((Base‘ndx) ≠ (Hom ‘ndx) ∧ (Base‘ndx) ≠ (comp‘ndx) ∧ (Hom ‘ndx) ≠ (comp‘ndx)) | |
| 10 | 3simpa 1149 | . . . 4 ⊢ (((Base‘ndx) ≠ (Hom ‘ndx) ∧ (Base‘ndx) ≠ (comp‘ndx) ∧ (Hom ‘ndx) ≠ (comp‘ndx)) → ((Base‘ndx) ≠ (Hom ‘ndx) ∧ (Base‘ndx) ≠ (comp‘ndx))) | |
| 11 | 9, 10 | mp1i 13 | . . 3 ⊢ (𝜑 → ((Base‘ndx) ≠ (Hom ‘ndx) ∧ (Base‘ndx) ≠ (comp‘ndx))) |
| 12 | fvtp1g 7142 | . . 3 ⊢ ((((Base‘ndx) ∈ V ∧ 𝐵 ∈ 𝑉) ∧ ((Base‘ndx) ≠ (Hom ‘ndx) ∧ (Base‘ndx) ≠ (comp‘ndx))) → ({〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉}‘(Base‘ndx)) = 𝐵) | |
| 13 | 7, 8, 11, 12 | syl21anc 838 | . 2 ⊢ (𝜑 → ({〈(Base‘ndx), 𝐵〉, 〈(Hom ‘ndx), 𝐻〉, 〈(comp‘ndx), · 〉}‘(Base‘ndx)) = 𝐵) |
| 14 | 2, 6, 13 | 3eqtrrd 2775 | 1 ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ≠ wne 2930 Vcvv 3427 {ctp 4561 〈cop 4563 ‘cfv 6487 ndxcnx 17152 Basecbs 17168 Hom chom 17220 compcco 17221 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2184 ax-ext 2707 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3060 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-rdg 8338 df-er 8632 df-en 8883 df-dom 8884 df-sdom 8885 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12164 df-2 12233 df-3 12234 df-4 12235 df-5 12236 df-6 12237 df-7 12238 df-8 12239 df-9 12240 df-n0 12427 df-z 12514 df-dec 12634 df-slot 17141 df-ndx 17153 df-base 17169 df-hom 17233 df-cco 17234 |
| This theorem is referenced by: estrres 18094 xpcbas 18133 |
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