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Theorem mhmvlin 21546
Description: Tuple extension of monoid homomorphisms. (Contributed by Stefan O'Rear, 5-Sep-2015.)
Hypotheses
Ref Expression
mhmvlin.b 𝐵 = (Base‘𝑀)
mhmvlin.p + = (+g𝑀)
mhmvlin.q = (+g𝑁)
Assertion
Ref Expression
mhmvlin ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝐹 ∘ (𝑋f + 𝑌)) = ((𝐹𝑋) ∘f (𝐹𝑌)))

Proof of Theorem mhmvlin
Dummy variables 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpl1 1190 . . . 4 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → 𝐹 ∈ (𝑀 MndHom 𝑁))
2 elmapi 8637 . . . . . 6 (𝑋 ∈ (𝐵m 𝐼) → 𝑋:𝐼𝐵)
323ad2ant2 1133 . . . . 5 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝑋:𝐼𝐵)
43ffvelrnda 6961 . . . 4 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → (𝑋𝑦) ∈ 𝐵)
5 elmapi 8637 . . . . . 6 (𝑌 ∈ (𝐵m 𝐼) → 𝑌:𝐼𝐵)
653ad2ant3 1134 . . . . 5 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝑌:𝐼𝐵)
76ffvelrnda 6961 . . . 4 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → (𝑌𝑦) ∈ 𝐵)
8 mhmvlin.b . . . . 5 𝐵 = (Base‘𝑀)
9 mhmvlin.p . . . . 5 + = (+g𝑀)
10 mhmvlin.q . . . . 5 = (+g𝑁)
118, 9, 10mhmlin 18437 . . . 4 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ (𝑋𝑦) ∈ 𝐵 ∧ (𝑌𝑦) ∈ 𝐵) → (𝐹‘((𝑋𝑦) + (𝑌𝑦))) = ((𝐹‘(𝑋𝑦)) (𝐹‘(𝑌𝑦))))
121, 4, 7, 11syl3anc 1370 . . 3 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → (𝐹‘((𝑋𝑦) + (𝑌𝑦))) = ((𝐹‘(𝑋𝑦)) (𝐹‘(𝑌𝑦))))
1312mpteq2dva 5174 . 2 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝑦𝐼 ↦ (𝐹‘((𝑋𝑦) + (𝑌𝑦)))) = (𝑦𝐼 ↦ ((𝐹‘(𝑋𝑦)) (𝐹‘(𝑌𝑦)))))
14 mhmrcl1 18433 . . . . . 6 (𝐹 ∈ (𝑀 MndHom 𝑁) → 𝑀 ∈ Mnd)
1514adantr 481 . . . . 5 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑦𝐼) → 𝑀 ∈ Mnd)
16153ad2antl1 1184 . . . 4 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → 𝑀 ∈ Mnd)
178, 9mndcl 18393 . . . 4 ((𝑀 ∈ Mnd ∧ (𝑋𝑦) ∈ 𝐵 ∧ (𝑌𝑦) ∈ 𝐵) → ((𝑋𝑦) + (𝑌𝑦)) ∈ 𝐵)
1816, 4, 7, 17syl3anc 1370 . . 3 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → ((𝑋𝑦) + (𝑌𝑦)) ∈ 𝐵)
19 elmapex 8636 . . . . . 6 (𝑌 ∈ (𝐵m 𝐼) → (𝐵 ∈ V ∧ 𝐼 ∈ V))
2019simprd 496 . . . . 5 (𝑌 ∈ (𝐵m 𝐼) → 𝐼 ∈ V)
21203ad2ant3 1134 . . . 4 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝐼 ∈ V)
223feqmptd 6837 . . . 4 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝑋 = (𝑦𝐼 ↦ (𝑋𝑦)))
236feqmptd 6837 . . . 4 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝑌 = (𝑦𝐼 ↦ (𝑌𝑦)))
2421, 4, 7, 22, 23offval2 7553 . . 3 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝑋f + 𝑌) = (𝑦𝐼 ↦ ((𝑋𝑦) + (𝑌𝑦))))
25 eqid 2738 . . . . . 6 (Base‘𝑁) = (Base‘𝑁)
268, 25mhmf 18435 . . . . 5 (𝐹 ∈ (𝑀 MndHom 𝑁) → 𝐹:𝐵⟶(Base‘𝑁))
27263ad2ant1 1132 . . . 4 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝐹:𝐵⟶(Base‘𝑁))
2827feqmptd 6837 . . 3 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → 𝐹 = (𝑧𝐵 ↦ (𝐹𝑧)))
29 fveq2 6774 . . 3 (𝑧 = ((𝑋𝑦) + (𝑌𝑦)) → (𝐹𝑧) = (𝐹‘((𝑋𝑦) + (𝑌𝑦))))
3018, 24, 28, 29fmptco 7001 . 2 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝐹 ∘ (𝑋f + 𝑌)) = (𝑦𝐼 ↦ (𝐹‘((𝑋𝑦) + (𝑌𝑦)))))
31 fvexd 6789 . . 3 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → (𝐹‘(𝑋𝑦)) ∈ V)
32 fvexd 6789 . . 3 (((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) ∧ 𝑦𝐼) → (𝐹‘(𝑌𝑦)) ∈ V)
33 fcompt 7005 . . . 4 ((𝐹:𝐵⟶(Base‘𝑁) ∧ 𝑋:𝐼𝐵) → (𝐹𝑋) = (𝑦𝐼 ↦ (𝐹‘(𝑋𝑦))))
3427, 3, 33syl2anc 584 . . 3 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝐹𝑋) = (𝑦𝐼 ↦ (𝐹‘(𝑋𝑦))))
35 fcompt 7005 . . . 4 ((𝐹:𝐵⟶(Base‘𝑁) ∧ 𝑌:𝐼𝐵) → (𝐹𝑌) = (𝑦𝐼 ↦ (𝐹‘(𝑌𝑦))))
3627, 6, 35syl2anc 584 . . 3 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝐹𝑌) = (𝑦𝐼 ↦ (𝐹‘(𝑌𝑦))))
3721, 31, 32, 34, 36offval2 7553 . 2 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → ((𝐹𝑋) ∘f (𝐹𝑌)) = (𝑦𝐼 ↦ ((𝐹‘(𝑋𝑦)) (𝐹‘(𝑌𝑦)))))
3813, 30, 373eqtr4d 2788 1 ((𝐹 ∈ (𝑀 MndHom 𝑁) ∧ 𝑋 ∈ (𝐵m 𝐼) ∧ 𝑌 ∈ (𝐵m 𝐼)) → (𝐹 ∘ (𝑋f + 𝑌)) = ((𝐹𝑋) ∘f (𝐹𝑌)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1086   = wceq 1539  wcel 2106  Vcvv 3432  cmpt 5157  ccom 5593  wf 6429  cfv 6433  (class class class)co 7275  f cof 7531  m cmap 8615  Basecbs 16912  +gcplusg 16962  Mndcmnd 18385   MndHom cmhm 18428
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-id 5489  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-ov 7278  df-oprab 7279  df-mpo 7280  df-of 7533  df-1st 7831  df-2nd 7832  df-map 8617  df-mgm 18326  df-sgrp 18375  df-mnd 18386  df-mhm 18430
This theorem is referenced by:  mendring  41017
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