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| Mirrors > Home > MPE Home > Th. List > feq2i | Structured version Visualization version GIF version | ||
| Description: Equality inference for functions. (Contributed by NM, 5-Sep-2011.) |
| Ref | Expression |
|---|---|
| feq2i.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| feq2i | ⊢ (𝐹:𝐴⟶𝐶 ↔ 𝐹:𝐵⟶𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | feq2i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | feq2 6689 | . 2 ⊢ (𝐴 = 𝐵 → (𝐹:𝐴⟶𝐶 ↔ 𝐹:𝐵⟶𝐶)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐹:𝐴⟶𝐶 ↔ 𝐹:𝐵⟶𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1569 ⟶wf 6535 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-cleq 2752 df-fn 6542 df-f 6543 |
| This theorem is used by: fresaun 6754 fmpox 8079 fmpo 8080 tposf 8275 issmo 8360 axdc3lem4 10535 cardf 10638 smobeth 10675 seqf2 14168 hashfxnn0 14485 snopiswrd 14672 iswrddm0 14687 s1dm 14759 s2dm 15046 s7f1o 15125 ntrivcvgtail 16075 vdwlem8 17172 0ram 17204 gsumws1 19040 ga0 19518 efgsp1 19957 efgsfo 19959 efgredleme 19963 efgred 19968 ablfaclem2 20308 islinds2 22125 rhmply1vsca 22709 matunitlindf 23002 pmatcollpw3fi1lem1 23110 0met 24691 dvef 26306 dvfsumrlim2 26358 dchrisum0 27853 noxp1o 28026 trgcgrg 28984 tgcgr4 29000 axlowdimlem4 29529 uhgr0e 29655 vtxdumgrval 30073 wlkp1 30266 pthdlem2 30360 0wlk 30713 0spth 30723 0clwlkv 30728 wlk2v2e 30764 wlkl0 30974 padct 33358 wrdpmtrlast 33701 mbfmcnt 34947 coinfliprv 35162 rankfo 35788 fdc 38773 grposnOLD 38910 rabren3dioph 43916 amgm2d 45292 amgm3d 45293 fourierdlem80 47290 sge0iun 47523 0ome 47633 issmflem 47831 2ffzoeq 48492 nnsum4primesodd 48988 nnsum4primesoddALTV 48989 nnsum4primeseven 48992 nnsum4primesevenALTV 48993 line2x 49960 line2y 49961 amgmw2d 51158 |
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