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Theorem lmimcnv 20974
Description: The converse of a bijective module homomorphism is a bijective module homomorphism. (Contributed by Stefan O'Rear, 25-Jan-2015.) (Revised by Mario Carneiro, 6-May-2015.)
Assertion
Ref Expression
lmimcnv (𝐹 ∈ (𝑆 LMIso 𝑇) → 𝐹 ∈ (𝑇 LMIso 𝑆))

Proof of Theorem lmimcnv
StepHypRef Expression
1 eqid 2729 . . . . . . 7 (Base‘𝑆) = (Base‘𝑆)
2 eqid 2729 . . . . . . 7 (Base‘𝑇) = (Base‘𝑇)
31, 2lmhmf 20941 . . . . . 6 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹:(Base‘𝑆)⟶(Base‘𝑇))
4 frel 6693 . . . . . 6 (𝐹:(Base‘𝑆)⟶(Base‘𝑇) → Rel 𝐹)
53, 4syl 17 . . . . 5 (𝐹 ∈ (𝑆 LMHom 𝑇) → Rel 𝐹)
6 dfrel2 6162 . . . . 5 (Rel 𝐹𝐹 = 𝐹)
75, 6sylib 218 . . . 4 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 = 𝐹)
8 id 22 . . . 4 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 LMHom 𝑇))
97, 8eqeltrd 2828 . . 3 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 LMHom 𝑇))
109anim1ci 616 . 2 ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝐹 ∈ (𝑇 LMHom 𝑆)) → (𝐹 ∈ (𝑇 LMHom 𝑆) ∧ 𝐹 ∈ (𝑆 LMHom 𝑇)))
11 islmim2 20973 . 2 (𝐹 ∈ (𝑆 LMIso 𝑇) ↔ (𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝐹 ∈ (𝑇 LMHom 𝑆)))
12 islmim2 20973 . 2 (𝐹 ∈ (𝑇 LMIso 𝑆) ↔ (𝐹 ∈ (𝑇 LMHom 𝑆) ∧ 𝐹 ∈ (𝑆 LMHom 𝑇)))
1310, 11, 123imtr4i 292 1 (𝐹 ∈ (𝑆 LMIso 𝑇) → 𝐹 ∈ (𝑇 LMIso 𝑆))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1540  wcel 2109  ccnv 5637  Rel wrel 5643  wf 6507  cfv 6511  (class class class)co 7387  Basecbs 17179   LMHom clmhm 20926   LMIso clmim 20927
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 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5251  ax-nul 5261  ax-pow 5320  ax-pr 5387  ax-un 7711
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3406  df-v 3449  df-sbc 3754  df-csb 3863  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-nul 4297  df-if 4489  df-pw 4565  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-iun 4957  df-br 5108  df-opab 5170  df-mpt 5189  df-id 5533  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-iota 6464  df-fun 6513  df-fn 6514  df-f 6515  df-f1 6516  df-fo 6517  df-f1o 6518  df-fv 6519  df-ov 7390  df-oprab 7391  df-mpo 7392  df-1st 7968  df-2nd 7969  df-map 8801  df-mgm 18567  df-sgrp 18646  df-mnd 18662  df-grp 18868  df-ghm 19145  df-lmod 20768  df-lmhm 20929  df-lmim 20930
This theorem is referenced by:  lmicsym  20979  lbslcic  21750
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