Mathbox for Mario Carneiro |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > msubff1o | Structured version Visualization version GIF version |
Description: When restricted to complete mappings, the substitution-producing function is bijective to the set of all substitutions. (Contributed by Mario Carneiro, 18-Jul-2016.) |
Ref | Expression |
---|---|
msubff1.v | ⊢ 𝑉 = (mVR‘𝑇) |
msubff1.r | ⊢ 𝑅 = (mREx‘𝑇) |
msubff1.s | ⊢ 𝑆 = (mSubst‘𝑇) |
Ref | Expression |
---|---|
msubff1o | ⊢ (𝑇 ∈ mFS → (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran 𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | msubff1.v | . . . 4 ⊢ 𝑉 = (mVR‘𝑇) | |
2 | msubff1.r | . . . 4 ⊢ 𝑅 = (mREx‘𝑇) | |
3 | msubff1.s | . . . 4 ⊢ 𝑆 = (mSubst‘𝑇) | |
4 | eqid 2738 | . . . 4 ⊢ (mEx‘𝑇) = (mEx‘𝑇) | |
5 | 1, 2, 3, 4 | msubff1 33518 | . . 3 ⊢ (𝑇 ∈ mFS → (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1→((mEx‘𝑇) ↑m (mEx‘𝑇))) |
6 | f1f1orn 6727 | . . 3 ⊢ ((𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1→((mEx‘𝑇) ↑m (mEx‘𝑇)) → (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran (𝑆 ↾ (𝑅 ↑m 𝑉))) | |
7 | 5, 6 | syl 17 | . 2 ⊢ (𝑇 ∈ mFS → (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran (𝑆 ↾ (𝑅 ↑m 𝑉))) |
8 | 1, 2, 3 | msubrn 33491 | . . . 4 ⊢ ran 𝑆 = (𝑆 “ (𝑅 ↑m 𝑉)) |
9 | df-ima 5602 | . . . 4 ⊢ (𝑆 “ (𝑅 ↑m 𝑉)) = ran (𝑆 ↾ (𝑅 ↑m 𝑉)) | |
10 | 8, 9 | eqtri 2766 | . . 3 ⊢ ran 𝑆 = ran (𝑆 ↾ (𝑅 ↑m 𝑉)) |
11 | f1oeq3 6706 | . . 3 ⊢ (ran 𝑆 = ran (𝑆 ↾ (𝑅 ↑m 𝑉)) → ((𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran 𝑆 ↔ (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran (𝑆 ↾ (𝑅 ↑m 𝑉)))) | |
12 | 10, 11 | ax-mp 5 | . 2 ⊢ ((𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran 𝑆 ↔ (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran (𝑆 ↾ (𝑅 ↑m 𝑉))) |
13 | 7, 12 | sylibr 233 | 1 ⊢ (𝑇 ∈ mFS → (𝑆 ↾ (𝑅 ↑m 𝑉)):(𝑅 ↑m 𝑉)–1-1-onto→ran 𝑆) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 = wceq 1539 ∈ wcel 2106 ran crn 5590 ↾ cres 5591 “ cima 5592 –1-1→wf1 6430 –1-1-onto→wf1o 6432 ‘cfv 6433 (class class class)co 7275 ↑m cmap 8615 mVRcmvar 33423 mRExcmrex 33428 mExcmex 33429 mSubstcmsub 33433 mFScmfs 33438 |
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 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 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-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 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-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 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-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 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-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-pm 8618 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-n0 12234 df-z 12320 df-uz 12583 df-fz 13240 df-fzo 13383 df-seq 13722 df-hash 14045 df-word 14218 df-concat 14274 df-s1 14301 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-0g 17152 df-gsum 17153 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-submnd 18431 df-frmd 18488 df-mrex 33448 df-mex 33449 df-mrsub 33452 df-msub 33453 df-mfs 33458 |
This theorem is referenced by: (None) |
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