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Mirrors > Home > MPE Home > Th. List > feq1i | Structured version Visualization version GIF version |
Description: Equality inference for functions. (Contributed by Paul Chapman, 22-Jun-2011.) |
Ref | Expression |
---|---|
feq1i.1 | ⊢ 𝐹 = 𝐺 |
Ref | Expression |
---|---|
feq1i | ⊢ (𝐹:𝐴⟶𝐵 ↔ 𝐺:𝐴⟶𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | feq1i.1 | . 2 ⊢ 𝐹 = 𝐺 | |
2 | feq1 6468 | . 2 ⊢ (𝐹 = 𝐺 → (𝐹:𝐴⟶𝐵 ↔ 𝐺:𝐴⟶𝐵)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐹:𝐴⟶𝐵 ↔ 𝐺:𝐴⟶𝐵) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 = wceq 1538 ⟶wf 6320 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-fun 6326 df-fn 6327 df-f 6328 |
This theorem is referenced by: ftpg 6895 fpropnf1 7003 suppsnop 7827 seqomlem2 8070 addnqf 10359 mulnqf 10360 isumsup2 15193 ruclem6 15580 sadcf 15792 sadadd2lem 15798 sadadd3 15800 sadaddlem 15805 smupf 15817 algrf 15907 funcoppc 17137 pmtr3ncomlem1 18593 znf1o 20243 ovolfsf 24075 ovolsf 24076 ovoliunlem1 24106 ovoliun 24109 ovoliun2 24110 voliunlem3 24156 itgss3 24418 dvexp 24556 efcn 25038 gamf 25628 basellem9 25674 axlowdimlem10 26745 wlkres 27460 1wlkdlem1 27922 vsfval 28416 ho0f 29534 opsqrlem4 29926 pjinvari 29974 fmptdF 30419 omssubaddlem 31667 omssubadd 31668 sitgclg 31710 sitgaddlemb 31716 coinfliprv 31850 plymul02 31926 signshf 31968 circum 33030 knoppcnlem8 33952 knoppcnlem11 33955 poimirlem31 35088 diophren 39754 clsf2 40829 seff 41013 binomcxplemnotnn0 41060 volicoff 42637 fourierdlem62 42810 fourierdlem80 42828 fourierdlem97 42845 carageniuncllem2 43161 0ome 43168 fundcmpsurinjimaid 43928 lindslinindimp2lem2 44868 zlmodzxzldeplem1 44909 line2 45166 |
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