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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 50211 | . . 3 ⊢ (𝜑 → ∃!𝑥 𝑥 ∈ 𝐵) |
| 5 | eumo 2608 | . . 3 ⊢ (∃!𝑥 𝑥 ∈ 𝐵 → ∃*𝑥 𝑥 ∈ 𝐵) | |
| 6 | moel 3390 | . . . 4 ⊢ (∃*𝑥 𝑥 ∈ 𝐵 ↔ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦) | |
| 7 | 6 | biimpi 219 | . . 3 ⊢ (∃*𝑥 𝑥 ∈ 𝐵 → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦) |
| 8 | 4, 5, 7 | 3syl 19 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦) |
| 9 | mndtchom.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 10 | mndtchom.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 11 | eqeq12 2782 | . . . 4 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → (𝑥 = 𝑦 ↔ 𝑋 = 𝑌)) | |
| 12 | 11 | rspc2gv 3594 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦 → 𝑋 = 𝑌)) |
| 13 | 9, 10, 12 | syl2anc 595 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 𝑥 = 𝑦 → 𝑋 = 𝑌)) |
| 14 | 8, 13 | mpd 16 | 1 ⊢ (𝜑 → 𝑋 = 𝑌) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1563 ∈ wcel 2145 ∃*wmo 2567 ∃!weu 2598 ∀wral 3079 ‘cfv 6525 Basecbs 17257 Mndcmnd 18780 MndToCatcmndtc 50207 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-ot 4594 df-uni 4868 df-iun 4953 df-br 5105 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6291 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12222 df-2 12291 df-3 12292 df-4 12293 df-5 12294 df-6 12295 df-7 12296 df-8 12297 df-9 12298 df-n0 12493 df-z 12580 df-dec 12700 df-uz 12851 df-fz 13524 df-struct 17195 df-slot 17230 df-ndx 17242 df-base 17258 df-hom 17322 df-cco 17323 df-mndtc 50208 |
| This theorem is referenced by: (None) |
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