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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 6497 | . 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 208 = wceq 1537 ⟶wf 6353 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-rab 3149 df-v 3498 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-br 5069 df-opab 5131 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-fun 6359 df-fn 6360 df-f 6361 |
This theorem is referenced by: ftpg 6920 fpropnf1 7027 suppsnop 7846 seqomlem2 8089 addnqf 10372 mulnqf 10373 isumsup2 15203 ruclem6 15590 sadcf 15804 sadadd2lem 15810 sadadd3 15812 sadaddlem 15817 smupf 15829 algrf 15919 funcoppc 17147 pmtr3ncomlem1 18603 znf1o 20700 ovolfsf 24074 ovolsf 24075 ovoliunlem1 24105 ovoliun 24108 ovoliun2 24109 voliunlem3 24155 itgss3 24417 dvexp 24552 efcn 25033 gamf 25622 basellem9 25668 axlowdimlem10 26739 wlkres 27454 1wlkdlem1 27918 vsfval 28412 ho0f 29530 opsqrlem4 29922 pjinvari 29970 fmptdF 30403 omssubaddlem 31559 omssubadd 31560 sitgclg 31602 sitgaddlemb 31608 coinfliprv 31742 plymul02 31818 signshf 31860 circum 32919 knoppcnlem8 33841 knoppcnlem11 33844 poimirlem31 34925 diophren 39417 clsf2 40483 seff 40648 binomcxplemnotnn0 40695 volicoff 42287 fourierdlem62 42460 fourierdlem80 42478 fourierdlem97 42495 carageniuncllem2 42811 0ome 42818 fundcmpsurinjimaid 43578 mapprop 44401 lindslinindimp2lem2 44521 zlmodzxzldeplem1 44562 line2 44746 |
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