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Theorem mdettpos 22521

Description: Determinant is invariant under transposition. Proposition 4.8 in [Lang] p. 514. (Contributed by Stefan O'Rear, 9-Jul-2018.)

**Hypotheses**
Ref	Expression
mdettpos.d	⊢ 𝐷 = (𝑁 maDet 𝑅)
mdettpos.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
mdettpos.b	⊢ 𝐵 = (Base‘𝐴)

**Assertion**
Ref	Expression
mdettpos	⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘tpos 𝑀) = (𝐷‘𝑀))

Proof of Theorem mdettpos Dummy variables 𝑝 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ovtpos 8166	. . . . . . 7 ⊢ ((𝑝‘𝑥)tpos 𝑀𝑥) = (𝑥𝑀(𝑝‘𝑥))
2	1	mpteq2i 5182	. . . . . 6 ⊢ (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥)) = (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))
3	2	oveq2i 7352	. . . . 5 ⊢ ((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥))) = ((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))
4	3	oveq2i 7352	. . . 4 ⊢ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥)))) = ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))))
5	4	mpteq2i 5182	. . 3 ⊢ (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥))))) = (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))))
6	5	oveq2i 7352	. 2 ⊢ (𝑅 Σ_g (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥)))))) = (𝑅 Σ_g (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥)))))))
7		mdettpos.a	. . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅)
8		mdettpos.b	. . . . 5 ⊢ 𝐵 = (Base‘𝐴)
9	7, 8	mattposcl 22363	. . . 4 ⊢ (𝑀 ∈ 𝐵 → tpos 𝑀 ∈ 𝐵)
10	9	adantl 481	. . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → tpos 𝑀 ∈ 𝐵)
11		mdettpos.d	. . . 4 ⊢ 𝐷 = (𝑁 maDet 𝑅)
12		eqid 2731	. . . 4 ⊢ (Base‘(SymGrp‘𝑁)) = (Base‘(SymGrp‘𝑁))
13		eqid 2731	. . . 4 ⊢ (ℤRHom‘𝑅) = (ℤRHom‘𝑅)
14		eqid 2731	. . . 4 ⊢ (pmSgn‘𝑁) = (pmSgn‘𝑁)
15		eqid 2731	. . . 4 ⊢ (._r‘𝑅) = (._r‘𝑅)
16		eqid 2731	. . . 4 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅)
17	11, 7, 8, 12, 13, 14, 15, 16	mdetleib 22497	. . 3 ⊢ (tpos 𝑀 ∈ 𝐵 → (𝐷‘tpos 𝑀) = (𝑅 Σ_g (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥)))))))
18	10, 17	syl 17	. 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘tpos 𝑀) = (𝑅 Σ_g (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)tpos 𝑀𝑥)))))))
19	11, 7, 8, 12, 13, 14, 15, 16	mdetleib2 22498	. 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘𝑀) = (𝑅 Σ_g (𝑝 ∈ (Base‘(SymGrp‘𝑁)) ↦ ((((ℤRHom‘𝑅) ∘ (pmSgn‘𝑁))‘𝑝)(._r‘𝑅)((mulGrp‘𝑅) Σ_g (𝑥 ∈ 𝑁 ↦ (𝑥𝑀(𝑝‘𝑥))))))))
20	6, 18, 19	3eqtr4a 2792	1 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘tpos 𝑀) = (𝐷‘𝑀))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2111 ↦ cmpt 5167 ∘ ccom 5615 ‘cfv 6476 (class class class)co 7341 tpos ctpos 8150 Basecbs 17115 ._rcmulr 17157 Σ_g cgsu 17339 SymGrpcsymg 19276 pmSgncpsgn 19396 mulGrpcmgp 20053 CRingccrg 20147 ℤRHomczrh 21431 Mat cmat 22317 maDet cmdat 22494

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5212 ax-sep 5229 ax-nul 5239 ax-pow 5298 ax-pr 5365 ax-un 7663 ax-cnex 11057 ax-resscn 11058 ax-1cn 11059 ax-icn 11060 ax-addcl 11061 ax-addrcl 11062 ax-mulcl 11063 ax-mulrcl 11064 ax-mulcom 11065 ax-addass 11066 ax-mulass 11067 ax-distr 11068 ax-i2m1 11069 ax-1ne0 11070 ax-1rid 11071 ax-rnegex 11072 ax-rrecex 11073 ax-cnre 11074 ax-pre-lttri 11075 ax-pre-lttrn 11076 ax-pre-ltadd 11077 ax-pre-mulgt0 11078 ax-addf 11080 ax-mulf 11081

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-xor 1513 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4279 df-if 4471 df-pw 4547 df-sn 4572 df-pr 4574 df-tp 4576 df-op 4578 df-ot 4580 df-uni 4855 df-int 4893 df-iun 4938 df-iin 4939 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5506 df-eprel 5511 df-po 5519 df-so 5520 df-fr 5564 df-se 5565 df-we 5566 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-rn 5622 df-res 5623 df-ima 5624 df-pred 6243 df-ord 6304 df-on 6305 df-lim 6306 df-suc 6307 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-isom 6485 df-riota 7298 df-ov 7344 df-oprab 7345 df-mpo 7346 df-om 7792 df-1st 7916 df-2nd 7917 df-supp 8086 df-tpos 8151 df-frecs 8206 df-wrecs 8237 df-recs 8286 df-rdg 8324 df-1o 8380 df-2o 8381 df-er 8617 df-map 8747 df-pm 8748 df-ixp 8817 df-en 8865 df-dom 8866 df-sdom 8867 df-fin 8868 df-fsupp 9241 df-sup 9321 df-oi 9391 df-card 9827 df-pnf 11143 df-mnf 11144 df-xr 11145 df-ltxr 11146 df-le 11147 df-sub 11341 df-neg 11342 df-div 11770 df-nn 12121 df-2 12183 df-3 12184 df-4 12185 df-5 12186 df-6 12187 df-7 12188 df-8 12189 df-9 12190 df-n0 12377 df-xnn0 12450 df-z 12464 df-dec 12584 df-uz 12728 df-rp 12886 df-fz 13403 df-fzo 13550 df-seq 13904 df-exp 13964 df-hash 14233 df-word 14416 df-lsw 14465 df-concat 14473 df-s1 14499 df-substr 14544 df-pfx 14574 df-splice 14652 df-reverse 14661 df-s2 14750 df-struct 17053 df-sets 17070 df-slot 17088 df-ndx 17100 df-base 17116 df-ress 17137 df-plusg 17169 df-mulr 17170 df-starv 17171 df-sca 17172 df-vsca 17173 df-ip 17174 df-tset 17175 df-ple 17176 df-ds 17178 df-unif 17179 df-hom 17180 df-cco 17181 df-0g 17340 df-gsum 17341 df-prds 17346 df-pws 17348 df-mre 17483 df-mrc 17484 df-acs 17486 df-mgm 18543 df-sgrp 18622 df-mnd 18638 df-mhm 18686 df-submnd 18687 df-efmnd 18772 df-grp 18844 df-minusg 18845 df-mulg 18976 df-subg 19031 df-ghm 19120 df-gim 19166 df-cntz 19224 df-oppg 19253 df-symg 19277 df-pmtr 19349 df-psgn 19398 df-cmn 19689 df-abl 19690 df-mgp 20054 df-rng 20066 df-ur 20095 df-ring 20148 df-cring 20149 df-oppr 20250 df-dvdsr 20270 df-unit 20271 df-invr 20301 df-dvr 20314 df-rhm 20385 df-subrng 20456 df-subrg 20480 df-drng 20641 df-sra 21102 df-rgmod 21103 df-cnfld 21287 df-zring 21379 df-zrh 21435 df-dsmm 21664 df-frlm 21679 df-mat 22318 df-mdet 22495

This theorem is referenced by: madutpos 22552 madulid 22555 mdetpmtr2 33829

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