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| Mirrors > Home > MPE Home > Th. List > Mathboxes > mndtcbas2 | Structured version Visualization version GIF version | ||
| Description: Two objects in a category built from a monoid are identical. (Contributed by Zhi Wang, 24-Sep-2024.) |
| Ref | Expression |
|---|---|
| mndtcbas.c | ⊢ (𝜑 → 𝐶 = (MndToCat‘𝑀)) |
| mndtcbas.m | ⊢ (𝜑 → 𝑀 ∈ Mnd) |
| mndtcbas.b | ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) |
| mndtchom.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| mndtchom.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| mndtcbas2 | ⊢ (𝜑 → 𝑋 = 𝑌) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndtcbas.c | . . . 4 ⊢ (𝜑 → 𝐶 = (MndToCat‘𝑀)) | |
| 2 | mndtcbas.m | . . . 4 ⊢ (𝜑 → 𝑀 ∈ Mnd) | |
| 3 | mndtcbas.b | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) | |
| 4 | 1, 2, 3 | mndtcbas 49406 | . . 3 ⊢ (𝜑 → ∃!𝑥 𝑥 ∈ 𝐵) |
| 5 | eumo 2577 | . . 3 ⊢ (∃!𝑥 𝑥 ∈ 𝐵 → ∃*𝑥 𝑥 ∈ 𝐵) | |
| 6 | moel 3381 | . . . 4 ⊢ (∃*𝑥 𝑥 ∈ 𝐵 ↔ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦) | |
| 7 | 6 | biimpi 216 | . . 3 ⊢ (∃*𝑥 𝑥 ∈ 𝐵 → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦) |
| 8 | 4, 5, 7 | 3syl 18 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦) |
| 9 | mndtchom.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 10 | mndtchom.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 11 | eqeq12 2752 | . . . 4 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → (𝑥 = 𝑦 ↔ 𝑋 = 𝑌)) | |
| 12 | 11 | rspc2gv 3611 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦 → 𝑋 = 𝑌)) |
| 13 | 9, 10, 12 | syl2anc 584 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦 → 𝑋 = 𝑌)) |
| 14 | 8, 13 | mpd 15 | 1 ⊢ (𝜑 → 𝑋 = 𝑌) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2108 ∃*wmo 2537 ∃!weu 2567 ∀wral 3051 ‘cfv 6530 Basecbs 17226 Mndcmnd 18710 MndToCatcmndtc 49402 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7727 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-tp 4606 df-op 4608 df-ot 4610 df-uni 4884 df-iun 4969 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6483 df-fun 6532 df-fn 6533 df-f 6534 df-f1 6535 df-fo 6536 df-f1o 6537 df-fv 6538 df-riota 7360 df-ov 7406 df-oprab 7407 df-mpo 7408 df-om 7860 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8383 df-rdg 8422 df-1o 8478 df-er 8717 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11466 df-neg 11467 df-nn 12239 df-2 12301 df-3 12302 df-4 12303 df-5 12304 df-6 12305 df-7 12306 df-8 12307 df-9 12308 df-n0 12500 df-z 12587 df-dec 12707 df-uz 12851 df-fz 13523 df-struct 17164 df-slot 17199 df-ndx 17211 df-base 17227 df-hom 17293 df-cco 17294 df-mndtc 49403 |
| This theorem is referenced by: (None) |
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