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Theorem lindfrn 21864
Description: The range of an independent family is an independent set. (Contributed by Stefan O'Rear, 24-Feb-2015.)
Assertion
Ref Expression
lindfrn ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → ran 𝐹 ∈ (LIndS‘𝑊))

Proof of Theorem lindfrn
Dummy variables 𝑘 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2740 . . . . 5 (Base‘𝑊) = (Base‘𝑊)
21lindff 21858 . . . 4 ((𝐹 LIndF 𝑊𝑊 ∈ LMod) → 𝐹:dom 𝐹⟶(Base‘𝑊))
32ancoms 458 . . 3 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → 𝐹:dom 𝐹⟶(Base‘𝑊))
43frnd 6755 . 2 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → ran 𝐹 ⊆ (Base‘𝑊))
5 simpll 766 . . . . . . 7 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ 𝑦 ∈ dom 𝐹) → 𝑊 ∈ LMod)
6 imassrn 6100 . . . . . . . . 9 (𝐹 “ (dom 𝐹 ∖ {𝑦})) ⊆ ran 𝐹
76, 4sstrid 4020 . . . . . . . 8 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → (𝐹 “ (dom 𝐹 ∖ {𝑦})) ⊆ (Base‘𝑊))
87adantr 480 . . . . . . 7 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ 𝑦 ∈ dom 𝐹) → (𝐹 “ (dom 𝐹 ∖ {𝑦})) ⊆ (Base‘𝑊))
93ffund 6751 . . . . . . . 8 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → Fun 𝐹)
10 eldifsn 4811 . . . . . . . . . 10 (𝑥 ∈ (ran 𝐹 ∖ {(𝐹𝑦)}) ↔ (𝑥 ∈ ran 𝐹𝑥 ≠ (𝐹𝑦)))
11 funfn 6608 . . . . . . . . . . . . . 14 (Fun 𝐹𝐹 Fn dom 𝐹)
12 fvelrnb 6982 . . . . . . . . . . . . . 14 (𝐹 Fn dom 𝐹 → (𝑥 ∈ ran 𝐹 ↔ ∃𝑘 ∈ dom 𝐹(𝐹𝑘) = 𝑥))
1311, 12sylbi 217 . . . . . . . . . . . . 13 (Fun 𝐹 → (𝑥 ∈ ran 𝐹 ↔ ∃𝑘 ∈ dom 𝐹(𝐹𝑘) = 𝑥))
1413adantr 480 . . . . . . . . . . . 12 ((Fun 𝐹𝑦 ∈ dom 𝐹) → (𝑥 ∈ ran 𝐹 ↔ ∃𝑘 ∈ dom 𝐹(𝐹𝑘) = 𝑥))
15 difss 4159 . . . . . . . . . . . . . . . . . 18 (dom 𝐹 ∖ {𝑦}) ⊆ dom 𝐹
1615jctr 524 . . . . . . . . . . . . . . . . 17 (Fun 𝐹 → (Fun 𝐹 ∧ (dom 𝐹 ∖ {𝑦}) ⊆ dom 𝐹))
1716ad2antrr 725 . . . . . . . . . . . . . . . 16 (((Fun 𝐹𝑦 ∈ dom 𝐹) ∧ (𝑘 ∈ dom 𝐹 ∧ (𝐹𝑘) ≠ (𝐹𝑦))) → (Fun 𝐹 ∧ (dom 𝐹 ∖ {𝑦}) ⊆ dom 𝐹))
18 simpl 482 . . . . . . . . . . . . . . . . . 18 ((𝑘 ∈ dom 𝐹 ∧ (𝐹𝑘) ≠ (𝐹𝑦)) → 𝑘 ∈ dom 𝐹)
19 fveq2 6920 . . . . . . . . . . . . . . . . . . . 20 (𝑘 = 𝑦 → (𝐹𝑘) = (𝐹𝑦))
2019necon3i 2979 . . . . . . . . . . . . . . . . . . 19 ((𝐹𝑘) ≠ (𝐹𝑦) → 𝑘𝑦)
2120adantl 481 . . . . . . . . . . . . . . . . . 18 ((𝑘 ∈ dom 𝐹 ∧ (𝐹𝑘) ≠ (𝐹𝑦)) → 𝑘𝑦)
22 eldifsn 4811 . . . . . . . . . . . . . . . . . 18 (𝑘 ∈ (dom 𝐹 ∖ {𝑦}) ↔ (𝑘 ∈ dom 𝐹𝑘𝑦))
2318, 21, 22sylanbrc 582 . . . . . . . . . . . . . . . . 17 ((𝑘 ∈ dom 𝐹 ∧ (𝐹𝑘) ≠ (𝐹𝑦)) → 𝑘 ∈ (dom 𝐹 ∖ {𝑦}))
2423adantl 481 . . . . . . . . . . . . . . . 16 (((Fun 𝐹𝑦 ∈ dom 𝐹) ∧ (𝑘 ∈ dom 𝐹 ∧ (𝐹𝑘) ≠ (𝐹𝑦))) → 𝑘 ∈ (dom 𝐹 ∖ {𝑦}))
25 funfvima2 7268 . . . . . . . . . . . . . . . 16 ((Fun 𝐹 ∧ (dom 𝐹 ∖ {𝑦}) ⊆ dom 𝐹) → (𝑘 ∈ (dom 𝐹 ∖ {𝑦}) → (𝐹𝑘) ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦}))))
2617, 24, 25sylc 65 . . . . . . . . . . . . . . 15 (((Fun 𝐹𝑦 ∈ dom 𝐹) ∧ (𝑘 ∈ dom 𝐹 ∧ (𝐹𝑘) ≠ (𝐹𝑦))) → (𝐹𝑘) ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦})))
2726expr 456 . . . . . . . . . . . . . 14 (((Fun 𝐹𝑦 ∈ dom 𝐹) ∧ 𝑘 ∈ dom 𝐹) → ((𝐹𝑘) ≠ (𝐹𝑦) → (𝐹𝑘) ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦}))))
28 neeq1 3009 . . . . . . . . . . . . . . 15 ((𝐹𝑘) = 𝑥 → ((𝐹𝑘) ≠ (𝐹𝑦) ↔ 𝑥 ≠ (𝐹𝑦)))
29 eleq1 2832 . . . . . . . . . . . . . . 15 ((𝐹𝑘) = 𝑥 → ((𝐹𝑘) ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦})) ↔ 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦}))))
3028, 29imbi12d 344 . . . . . . . . . . . . . 14 ((𝐹𝑘) = 𝑥 → (((𝐹𝑘) ≠ (𝐹𝑦) → (𝐹𝑘) ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦}))) ↔ (𝑥 ≠ (𝐹𝑦) → 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦})))))
3127, 30syl5ibcom 245 . . . . . . . . . . . . 13 (((Fun 𝐹𝑦 ∈ dom 𝐹) ∧ 𝑘 ∈ dom 𝐹) → ((𝐹𝑘) = 𝑥 → (𝑥 ≠ (𝐹𝑦) → 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦})))))
3231rexlimdva 3161 . . . . . . . . . . . 12 ((Fun 𝐹𝑦 ∈ dom 𝐹) → (∃𝑘 ∈ dom 𝐹(𝐹𝑘) = 𝑥 → (𝑥 ≠ (𝐹𝑦) → 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦})))))
3314, 32sylbid 240 . . . . . . . . . . 11 ((Fun 𝐹𝑦 ∈ dom 𝐹) → (𝑥 ∈ ran 𝐹 → (𝑥 ≠ (𝐹𝑦) → 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦})))))
3433impd 410 . . . . . . . . . 10 ((Fun 𝐹𝑦 ∈ dom 𝐹) → ((𝑥 ∈ ran 𝐹𝑥 ≠ (𝐹𝑦)) → 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦}))))
3510, 34biimtrid 242 . . . . . . . . 9 ((Fun 𝐹𝑦 ∈ dom 𝐹) → (𝑥 ∈ (ran 𝐹 ∖ {(𝐹𝑦)}) → 𝑥 ∈ (𝐹 “ (dom 𝐹 ∖ {𝑦}))))
3635ssrdv 4014 . . . . . . . 8 ((Fun 𝐹𝑦 ∈ dom 𝐹) → (ran 𝐹 ∖ {(𝐹𝑦)}) ⊆ (𝐹 “ (dom 𝐹 ∖ {𝑦})))
379, 36sylan 579 . . . . . . 7 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ 𝑦 ∈ dom 𝐹) → (ran 𝐹 ∖ {(𝐹𝑦)}) ⊆ (𝐹 “ (dom 𝐹 ∖ {𝑦})))
38 eqid 2740 . . . . . . . 8 (LSpan‘𝑊) = (LSpan‘𝑊)
391, 38lspss 21005 . . . . . . 7 ((𝑊 ∈ LMod ∧ (𝐹 “ (dom 𝐹 ∖ {𝑦})) ⊆ (Base‘𝑊) ∧ (ran 𝐹 ∖ {(𝐹𝑦)}) ⊆ (𝐹 “ (dom 𝐹 ∖ {𝑦}))) → ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)})) ⊆ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑦}))))
405, 8, 37, 39syl3anc 1371 . . . . . 6 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ 𝑦 ∈ dom 𝐹) → ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)})) ⊆ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑦}))))
4140adantrr 716 . . . . 5 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)})) ⊆ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑦}))))
42 simplr 768 . . . . . 6 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → 𝐹 LIndF 𝑊)
43 simprl 770 . . . . . 6 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → 𝑦 ∈ dom 𝐹)
44 eldifi 4154 . . . . . . 7 (𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) → 𝑘 ∈ (Base‘(Scalar‘𝑊)))
4544ad2antll 728 . . . . . 6 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → 𝑘 ∈ (Base‘(Scalar‘𝑊)))
46 eldifsni 4815 . . . . . . 7 (𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) → 𝑘 ≠ (0g‘(Scalar‘𝑊)))
4746ad2antll 728 . . . . . 6 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → 𝑘 ≠ (0g‘(Scalar‘𝑊)))
48 eqid 2740 . . . . . . 7 ( ·𝑠𝑊) = ( ·𝑠𝑊)
49 eqid 2740 . . . . . . 7 (Scalar‘𝑊) = (Scalar‘𝑊)
50 eqid 2740 . . . . . . 7 (0g‘(Scalar‘𝑊)) = (0g‘(Scalar‘𝑊))
51 eqid 2740 . . . . . . 7 (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
5248, 38, 49, 50, 51lindfind 21859 . . . . . 6 (((𝐹 LIndF 𝑊𝑦 ∈ dom 𝐹) ∧ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0g‘(Scalar‘𝑊)))) → ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑦}))))
5342, 43, 45, 47, 52syl22anc 838 . . . . 5 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑦}))))
5441, 53ssneldd 4011 . . . 4 (((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) ∧ (𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}))) → ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)})))
5554ralrimivva 3208 . . 3 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → ∀𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)})))
569funfnd 6609 . . . 4 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → 𝐹 Fn dom 𝐹)
57 oveq2 7456 . . . . . . . 8 (𝑥 = (𝐹𝑦) → (𝑘( ·𝑠𝑊)𝑥) = (𝑘( ·𝑠𝑊)(𝐹𝑦)))
58 sneq 4658 . . . . . . . . . 10 (𝑥 = (𝐹𝑦) → {𝑥} = {(𝐹𝑦)})
5958difeq2d 4149 . . . . . . . . 9 (𝑥 = (𝐹𝑦) → (ran 𝐹 ∖ {𝑥}) = (ran 𝐹 ∖ {(𝐹𝑦)}))
6059fveq2d 6924 . . . . . . . 8 (𝑥 = (𝐹𝑦) → ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})) = ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)})))
6157, 60eleq12d 2838 . . . . . . 7 (𝑥 = (𝐹𝑦) → ((𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})) ↔ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)}))))
6261notbid 318 . . . . . 6 (𝑥 = (𝐹𝑦) → (¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})) ↔ ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)}))))
6362ralbidv 3184 . . . . 5 (𝑥 = (𝐹𝑦) → (∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)}))))
6463ralrn 7122 . . . 4 (𝐹 Fn dom 𝐹 → (∀𝑥 ∈ ran 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})) ↔ ∀𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)}))))
6556, 64syl 17 . . 3 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → (∀𝑥 ∈ ran 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})) ↔ ∀𝑦 ∈ dom 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)(𝐹𝑦)) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {(𝐹𝑦)}))))
6655, 65mpbird 257 . 2 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → ∀𝑥 ∈ ran 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})))
671, 48, 38, 49, 51, 50islinds2 21856 . . 3 (𝑊 ∈ LMod → (ran 𝐹 ∈ (LIndS‘𝑊) ↔ (ran 𝐹 ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ ran 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})))))
6867adantr 480 . 2 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → (ran 𝐹 ∈ (LIndS‘𝑊) ↔ (ran 𝐹 ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ ran 𝐹𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠𝑊)𝑥) ∈ ((LSpan‘𝑊)‘(ran 𝐹 ∖ {𝑥})))))
694, 66, 68mpbir2and 712 1 ((𝑊 ∈ LMod ∧ 𝐹 LIndF 𝑊) → ran 𝐹 ∈ (LIndS‘𝑊))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395   = wceq 1537  wcel 2108  wne 2946  wral 3067  wrex 3076  cdif 3973  wss 3976  {csn 4648   class class class wbr 5166  dom cdm 5700  ran crn 5701  cima 5703  Fun wfun 6567   Fn wfn 6568  wf 6569  cfv 6573  (class class class)co 7448  Basecbs 17258  Scalarcsca 17314   ·𝑠 cvsca 17315  0gc0g 17499  LModclmod 20880  LSpanclspn 20992   LIndF clindf 21847  LIndSclinds 21848
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-rep 5303  ax-sep 5317  ax-nul 5324  ax-pow 5383  ax-pr 5447  ax-un 7770  ax-cnex 11240  ax-1cn 11242  ax-addcl 11244
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3or 1088  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-ral 3068  df-rex 3077  df-rmo 3388  df-reu 3389  df-rab 3444  df-v 3490  df-sbc 3805  df-csb 3922  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-pss 3996  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-int 4971  df-iun 5017  df-br 5167  df-opab 5229  df-mpt 5250  df-tr 5284  df-id 5593  df-eprel 5599  df-po 5607  df-so 5608  df-fr 5652  df-we 5654  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-pred 6332  df-ord 6398  df-on 6399  df-lim 6400  df-suc 6401  df-iota 6525  df-fun 6575  df-fn 6576  df-f 6577  df-f1 6578  df-fo 6579  df-f1o 6580  df-fv 6581  df-riota 7404  df-ov 7451  df-om 7904  df-2nd 8031  df-frecs 8322  df-wrecs 8353  df-recs 8427  df-rdg 8466  df-nn 12294  df-slot 17229  df-ndx 17241  df-base 17259  df-0g 17501  df-mgm 18678  df-sgrp 18757  df-mnd 18773  df-grp 18976  df-lmod 20882  df-lss 20953  df-lsp 20993  df-lindf 21849  df-linds 21850
This theorem is referenced by:  islindf3  21869  lindsmm  21871  matunitlindflem2  37577
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