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Theorem prdsplusgsgrpcl 13619
Description: Structure product pointwise sums are closed when the factors are semigroups. (Contributed by AV, 21-Feb-2025.)
Hypotheses
Ref Expression
prdsplusgsgrpcl.y  |-  Y  =  ( S X_s R )
prdsplusgsgrpcl.b  |-  B  =  ( Base `  Y
)
prdsplusgsgrpcl.p  |-  .+  =  ( +g  `  Y )
prdsplusgsgrpcl.s  |-  ( ph  ->  S  e.  V )
prdsplusgsgrpcl.i  |-  ( ph  ->  I  e.  W )
prdsplusgsgrpcl.r  |-  ( ph  ->  R : I -->Smgrp )
prdsplusgsgrpcl.f  |-  ( ph  ->  F  e.  B )
prdsplusgsgrpcl.g  |-  ( ph  ->  G  e.  B )
Assertion
Ref Expression
prdsplusgsgrpcl  |-  ( ph  ->  ( F  .+  G
)  e.  B )

Proof of Theorem prdsplusgsgrpcl
Dummy variable  x is distinct from all other variables.
StepHypRef Expression
1 prdsplusgsgrpcl.y . . 3  |-  Y  =  ( S X_s R )
2 prdsplusgsgrpcl.b . . 3  |-  B  =  ( Base `  Y
)
3 prdsplusgsgrpcl.s . . 3  |-  ( ph  ->  S  e.  V )
4 prdsplusgsgrpcl.i . . 3  |-  ( ph  ->  I  e.  W )
5 prdsplusgsgrpcl.r . . . 4  |-  ( ph  ->  R : I -->Smgrp )
65ffnd 5508 . . 3  |-  ( ph  ->  R  Fn  I )
7 prdsplusgsgrpcl.f . . 3  |-  ( ph  ->  F  e.  B )
8 prdsplusgsgrpcl.g . . 3  |-  ( ph  ->  G  e.  B )
9 prdsplusgsgrpcl.p . . 3  |-  .+  =  ( +g  `  Y )
101, 2, 3, 4, 6, 7, 8, 9prdsplusgval 13488 . 2  |-  ( ph  ->  ( F  .+  G
)  =  ( x  e.  I  |->  ( ( F `  x ) ( +g  `  ( R `  x )
) ( G `  x ) ) ) )
115ffvelcdmda 5811 . . . . 5  |-  ( (
ph  /\  x  e.  I )  ->  ( R `  x )  e. Smgrp )
123adantr 276 . . . . . 6  |-  ( (
ph  /\  x  e.  I )  ->  S  e.  V )
134adantr 276 . . . . . 6  |-  ( (
ph  /\  x  e.  I )  ->  I  e.  W )
146adantr 276 . . . . . 6  |-  ( (
ph  /\  x  e.  I )  ->  R  Fn  I )
157adantr 276 . . . . . 6  |-  ( (
ph  /\  x  e.  I )  ->  F  e.  B )
16 simpr 110 . . . . . 6  |-  ( (
ph  /\  x  e.  I )  ->  x  e.  I )
171, 2, 12, 13, 14, 15, 16prdsbasprj 13487 . . . . 5  |-  ( (
ph  /\  x  e.  I )  ->  ( F `  x )  e.  ( Base `  ( R `  x )
) )
188adantr 276 . . . . . 6  |-  ( (
ph  /\  x  e.  I )  ->  G  e.  B )
191, 2, 12, 13, 14, 18, 16prdsbasprj 13487 . . . . 5  |-  ( (
ph  /\  x  e.  I )  ->  ( G `  x )  e.  ( Base `  ( R `  x )
) )
20 eqid 2232 . . . . . 6  |-  ( Base `  ( R `  x
) )  =  (
Base `  ( R `  x ) )
21 eqid 2232 . . . . . 6  |-  ( +g  `  ( R `  x
) )  =  ( +g  `  ( R `
 x ) )
2220, 21sgrpcl 13614 . . . . 5  |-  ( ( ( R `  x
)  e. Smgrp  /\  ( F `  x )  e.  ( Base `  ( R `  x )
)  /\  ( G `  x )  e.  (
Base `  ( R `  x ) ) )  ->  ( ( F `
 x ) ( +g  `  ( R `
 x ) ) ( G `  x
) )  e.  (
Base `  ( R `  x ) ) )
2311, 17, 19, 22syl3anc 1274 . . . 4  |-  ( (
ph  /\  x  e.  I )  ->  (
( F `  x
) ( +g  `  ( R `  x )
) ( G `  x ) )  e.  ( Base `  ( R `  x )
) )
2423ralrimiva 2615 . . 3  |-  ( ph  ->  A. x  e.  I 
( ( F `  x ) ( +g  `  ( R `  x
) ) ( G `
 x ) )  e.  ( Base `  ( R `  x )
) )
251, 2, 3, 4, 6prdsbasmpt 13485 . . 3  |-  ( ph  ->  ( ( x  e.  I  |->  ( ( F `
 x ) ( +g  `  ( R `
 x ) ) ( G `  x
) ) )  e.  B  <->  A. x  e.  I 
( ( F `  x ) ( +g  `  ( R `  x
) ) ( G `
 x ) )  e.  ( Base `  ( R `  x )
) ) )
2624, 25mpbird 167 . 2  |-  ( ph  ->  ( x  e.  I  |->  ( ( F `  x ) ( +g  `  ( R `  x
) ) ( G `
 x ) ) )  e.  B )
2710, 26eqeltrd 2309 1  |-  ( ph  ->  ( F  .+  G
)  e.  B )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1398    e. wcel 2203   A.wral 2520    |-> cmpt 4170    Fn wfn 5346   -->wf 5347   ` cfv 5351  (class class class)co 6049   Basecbs 13204   +g cplusg 13282   X_scprds 13470  Smgrpcsgrp 13606
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-coll 4224  ax-sep 4227  ax-pow 4286  ax-pr 4321  ax-un 4553  ax-setind 4658  ax-cnex 8217  ax-resscn 8218  ax-1cn 8219  ax-1re 8220  ax-icn 8221  ax-addcl 8222  ax-addrcl 8223  ax-mulcl 8224  ax-addcom 8226  ax-mulcom 8227  ax-addass 8228  ax-mulass 8229  ax-distr 8230  ax-i2m1 8231  ax-0lt1 8232  ax-1rid 8233  ax-0id 8234  ax-rnegex 8235  ax-cnre 8237  ax-pre-ltirr 8238  ax-pre-ltwlin 8239  ax-pre-lttrn 8240  ax-pre-apti 8241  ax-pre-ltadd 8242
This theorem depends on definitions:  df-bi 117  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rab 2529  df-v 2814  df-sbc 3042  df-csb 3138  df-dif 3212  df-un 3214  df-in 3216  df-ss 3223  df-nul 3508  df-pw 3670  df-sn 3694  df-pr 3695  df-tp 3696  df-op 3697  df-uni 3914  df-int 3949  df-iun 3992  df-br 4109  df-opab 4171  df-mpt 4172  df-id 4413  df-xp 4754  df-rel 4755  df-cnv 4756  df-co 4757  df-dm 4758  df-rn 4759  df-res 4760  df-ima 4761  df-iota 5311  df-fun 5353  df-fn 5354  df-f 5355  df-f1 5356  df-fo 5357  df-f1o 5358  df-fv 5359  df-riota 6002  df-ov 6052  df-oprab 6053  df-mpo 6054  df-1st 6333  df-2nd 6334  df-map 6883  df-ixp 6933  df-sup 7274  df-pnf 8309  df-mnf 8310  df-xr 8311  df-ltxr 8312  df-le 8313  df-sub 8445  df-neg 8446  df-inn 9237  df-2 9295  df-3 9296  df-4 9297  df-5 9298  df-6 9299  df-7 9300  df-8 9301  df-9 9302  df-n0 9496  df-z 9577  df-dec 9709  df-uz 9853  df-fz 10342  df-struct 13206  df-ndx 13207  df-slot 13208  df-base 13210  df-plusg 13295  df-mulr 13296  df-sca 13298  df-vsca 13299  df-ip 13300  df-tset 13301  df-ple 13302  df-ds 13304  df-hom 13306  df-cco 13307  df-rest 13446  df-topn 13447  df-topgen 13465  df-pt 13466  df-prds 13472  df-mgm 13561  df-sgrp 13607
This theorem is referenced by:  prdssgrpd  13620
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