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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fge0icoicc | Structured version Visualization version GIF version | ||
| Description: If 𝐹 maps to nonnegative reals, then 𝐹 maps to nonnegative extended reals. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| fge0icoicc.1 | ⊢ (𝜑 → 𝐹:𝑋⟶(0[,)+∞)) |
| Ref | Expression |
|---|---|
| fge0icoicc | ⊢ (𝜑 → 𝐹:𝑋⟶(0[,]+∞)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fge0icoicc.1 | . 2 ⊢ (𝜑 → 𝐹:𝑋⟶(0[,)+∞)) | |
| 2 | icossicc 13366 | . . 3 ⊢ (0[,)+∞) ⊆ (0[,]+∞) | |
| 3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → (0[,)+∞) ⊆ (0[,]+∞)) |
| 4 | 1, 3 | fssd 6689 | 1 ⊢ (𝜑 → 𝐹:𝑋⟶(0[,]+∞)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ⊆ wss 3903 ⟶wf 6498 (class class class)co 7370 0cc0 11040 +∞cpnf 11177 [,)cico 13277 [,]cicc 13278 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-resscn 11097 ax-pre-lttri 11114 ax-pre-lttrn 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5529 df-po 5542 df-so 5543 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-ov 7373 df-oprab 7374 df-mpo 7375 df-er 8647 df-en 8898 df-dom 8899 df-sdom 8900 df-pnf 11182 df-mnf 11183 df-xr 11184 df-ltxr 11185 df-le 11186 df-ico 13281 df-icc 13282 |
| This theorem is referenced by: sge0reval 46759 sge0fsum 46774 |
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